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• #1 High temperature (fever) in children

  https://www.nhs.uk/conditions/fever-in-children/

  A high temperature (fever) is very common in young children. The temperature usually returns to normal within 1 to 4 days. […] A high temperature is the body’s natural response to fighting infections like coughs and colds. […] Many things can cause a high temperature in children, from common childhood illnesses like chickenpox and tonsillitis, to vaccinations.

• #1 Fever in Infants and Children – Pediatrics – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/pediatrics/symptoms-in-infants-and-children/fever-in-infants-and-children

  Fever occurs in response to the release of endogenous pyrogenic mediators called cytokines (in particular interleukin-1 [IL-1]). Cytokines stimulate the production of prostaglandins by the hypothalamus; prostaglandins readjust and elevate the temperature set point. […] Causes of fever differ based on whether the fever is acute ( 14 days ), acute recurrent or periodic (episodic fever separated by afebrile periods), or chronic ( 14 days), which, when there is no established diagnosis, is more commonly referred to as fever of unknown origin (FUO). Response to antipyretics and height of the temperature have no direct relationship to the etiology. […] Most acute fevers in infants and young children are caused by infection. The most common are viral respiratory or gastrointestinal infections (most common causes overall) and certain bacterial infections (otitis media, pneumonia, urinary tract infections).

• #1 Fever Symptoms & Treatment (for Parents) (for Parents) | Nemours KidsHealth

  https://kidshealth.org/en/parents/fever.html

  All kids get a fever from time to time. Usually, a fever isnt dangerous or bad for kids. It can even be a good thing because it can help the immune system fight infection. […] Fevers in kids are usually caused by an infection. A fever helps the body by stimulating the immune system to fight the infection. Doctors also think the higher temperature makes it harder for the germs to grow. […] A few other reasons kids can have a fever: Overdressing: Infants, especially newborns, may get fevers if they’re overdressed, wrapped in a blanket, or in a hot environment because they don’t regulate their body temperature as well as older kids. But because fevers in newborns can be a sign of a serious infection, even infants who are overdressed must be checked by a doctor if they have a fever. […] Immunizations: Babies and kids sometimes get a mild fever that lasts about a day after getting vaccinated. […] A child who is teething might have a slight rise in body temperature, but it’s probably not the cause if the temperature is higher than 100F (37.8C).

• #1 Fever Care For Children | Children’s Hospital Colorado

  https://www.childrenscolorado.org/conditions-and-advice/conditions-and-symptoms/symptoms/fever/

  Fever is a body temperature above normal. Almost all fevers are caused by a new infection. Viruses cause 10 times more infections than bacteria. Colds, flu and other viral infections are the most common cause. Fever may be the only symptom for the first 24 hours. A bladder infection is the most common cause of silent fever in girls. Fever that occurs during the first 3 months of life can be serious. The fever may be due to sepsis (a bloodstream infection). A bacterial infection of the membrane that covers the spinal cord and brain. The main symptoms are a stiff neck, headache and confusion. Research shows that „getting teeth” does not cause fevers. Having a fever means your child has a new infection. It’s most likely caused by a virus. Most fevers are good for sick children. They help the body fight infection. Most fevers with viral illnesses range between 101 and 104 F (38.4 and 40 C). They may last for 2 or 3 days. They are not harmful.

• #1 Fever in children | NHS inform

  https://www.nhsinform.scot/illnesses-and-conditions/infections-and-poisoning/fever-in-children/

  It can be extremely worrying if your child has a high temperature. But its very common and often clears up by itself without treatment. […] Most fevers are caused by infections or other illnesses. The high body temperature makes it more difficult for the bacteria and viruses that cause infections to survive. […] Common conditions that can cause fevers include: upper respiratory tract infections (RTIs), flu, ear infections, roseola a virus that causes a temperature and a rash, tonsillitis, kidney or urinary tract infections (UTIs), common childhood illnesses, such as chickenpox and whooping cough. […] Sometimes a high temperature in children is associated with more serious signs and symptoms, such as: breathlessness, vomiting, rash, fits or seizures. […] Possible serious bacterial illnesses include: meningitis infection of the meninges, the protective membranes that surround the brain and spinal cord, septicaemia infection of the blood, pneumonia inflammation of the lung tissue, usually caused by an infection. […] Potentially serious causes of fever are relatively rare.

• #1 Fever (High Temperature): Causes, Symptoms, and Treatment

  https://patient.info/signs-symptoms/fever

  A high temperature is called a fever (or sometimes a high fever). Fever itself is not an illness. A fever is usually a symptom of an underlying condition, usually an infection. […] High temperature (fever) is caused by the release of certain chemicals by the immune system, usually as a result of infection or inflammation. […] Most fevers are caused by infections or other illnesses. Viral infections are the commonest causes of a fever. The high body temperature makes it more difficult for the germs (bacteria or viruses) which cause infections to survive. […] Common conditions that can cause fevers include: Respiratory tract infections and colds, Flu (influenza), Infection of the gut (gastroenteritis), Ear infections, Infection of the tonsils, Kidney or urinary tract infections, Common childhood illnesses.

• #1 High temperature – fever in children

  https://www2.hse.ie/conditions/high-temperature/

  In children, any temperature of 38 degrees Celsius or above is considered high. High temperature is common in young children. A temperature above 38 degrees Celsius is usually a sign of an infection such as a cold. But it can also be due to more serious infections, so it’s important to look at all your child’s symptoms. […] High temperatures are usually caused by minor illnesses. But they can be a sign of serious infections. […] It’s rare for a fever to be a sign of anything serious. […] A fever (high temperature – 38 degrees Celsius or above) can be a symptom of COVID-19.

• #1 Fever in Infants and Children – Children’s Health Issues – Merck Manual Consumer Version

  https://www.merckmanuals.com/home/children-s-health-issues/symptoms-in-infants-and-children/fever-in-infants-and-children

  Fever occurs in response to infection, injury, or inflammation and has many causes. Likely causes of fever depend on whether it has lasted 14 days or less (acute) or more than 14 days (chronic), as well as on the age of the child. Fevers are usually acute. […] Acute fevers in infants and children are usually caused by an infection. […] The most common causes of acute fever (lasting 14 days or less) are respiratory infections due to a virus, such as colds or flu, gastroenteritis (infection of the digestive tract) due to a virus, and certain bacterial infections, particularly ear infections (otitis media), sinus infections, pneumonia, and urinary tract infections. […] Newborns and young infants are at higher risk of certain serious infections because their immune system is not fully developed. Such infections may be acquired before birth or during birth and include sepsis (a serious infection of the blood), pneumonia (infection of the small air sacs of the lungs), and meningitis (infection of the tissues covering the brain).

• #1 Overview: Fever in children – InformedHealth.org – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK279455/

  „My child has a high temperature” not an unlikely event in the lives of parents with young children. Children are more likely to get a fever than adults are. Fever is one of the most common reasons why children are brought to the doctor or to the hospital for out-of-hours medical advice. […] Only about 1 out of 100 children with fever have a serious medical problem that needs to be treated by a doctor. In most cases bacterial infections such as pneumonia are then to blame. […] But fever is usually caused by germs. Instead, it is a reaction in the body to speed up certain metabolic processes and generate more warmth. So it isn’t an illness, but rather part of your body’s normal response to the germs. […] Possible causes of fever include the following: Viruses or bacteria: for instance, a common cold, middle ear infection, urinary tract infection (UTI) or gastroenteritis. Or typical childhood diseases such as mumps, measles, German measles (rubella), scarlet fever, chickenpox and sixth disease (roseola). […] In rare cases: serious illnesses such as pneumonia, meningitis, appendicitis or an infection of the joints or bone marrow. […] Fever can sometimes lead to a febrile seizure (also known as a febrile convulsion) particularly in children between the ages of three months and five years.

• #1 Fever in children | nidirect

  https://www.nidirect.gov.uk/conditions/fever-children

  A fever is a high temperature. Generally, in children fever is a temperature of 38C (100.4F) or over. Most fevers are caused by infections or other illnesses. Common conditions that can cause fevers include: upper respiratory tract infections (RTIs), flu, ear infections, roseola a virus that causes a temperature and a rash, tonsillitis, kidney or urinary tract infections (UTIs), common childhood illnesses, such as chickenpox and whooping cough. Other than having a high temperature, if your child seems to be well, for example, if they’re playing and attentive, its less likely they’re seriously ill. Sometimes a high temperature in children is associated with more serious signs and symptoms, such as: breathlessness, vomiting, rash, fits or seizures. Possible serious bacterial illnesses include: meningitis infection of the meninges, the protective membranes that surround the brain and spinal cord, septicaemia infection of the blood, pneumonia inflammation of the lung tissue, usually caused by an infection. It’s important to remember that potentially serious causes of fever are rare.

• #1 Fever in Children: Causes

  https://www.haleonhealthpartner.com/en-us/pain-relief/conditions/fever-in-children/causes/

  Fever occurs when the hypothalamus resets the normal temperature point to a higher level. […] The increase in body temperature occurs for various reasons, such as release of certain chemicals called cytokines in response to invading microorganisms, cancer cells, or any other foreign matter. […] Some of the more common causes of fever in children are: Ear infections, Common colds, Urinary tract infections, Throat or sinus infection, Intestinal (bowel) infections, Respiratory syncytial virus (RSV), Croup, Influenza (flu), Pneumonia, After immunizations. […] Teething, contrary to popular belief, does not cause fever.

• #1 Fever in Healthy Children | Children’s Hospital of Philadelphia

  https://www.chop.edu/conditions-diseases/fever-children

  A fever is formally defined by most primary care providers as a temperature of 100.4 degrees Fahrenheit (38 degrees Celsius) and higher. […] A fever is your body’s normal response to infection. It actually helps you get better. […] Two types of germs cause infections: viruses and bacteria. Both can cause fever. Most of the time, it’s a virus making your child sick. Your immune system takes care of viruses. Antibiotics don’t help. […] Bacteria are different. They cause infections that may get worse if they’re not treated with antibiotics. Examples are urinary tract infections and strep throat. […] Fevers are common in children. Most fevers in children are caused by viruses. A much smaller number are due to bacterial infections, such as ear infections, strep throat or pneumonia. […] Prolonged fever, meaning fever for more than a week, or recurring fevers can be a sign of underlying chronic disease, so it is important to check with your child’s primary care provider.

• #1 What Are Causes of Fever in Babies? – Scripps Health

  https://www.scripps.org/news_items/5787-what-are-common-causes-of-fever-in-infants

  Fever in children, especially infants, will do that. […] Knowing what causes fevers, how to treat them and when to contact your doctor can help ease your worry. […] Fever is not an illness itself but rather a symptom of an underlying issue. It is the bodys way of fighting an infection and can actually stimulate the bodys immune system to help to fight off the infection, says Dr. Wilson. […] Children are more likely than adults to get a fever when they have a viral or bacterial infection. Common infections include: Common colds, Flu, RSV, Croup, Ear infections, Pneumonia, Urinary tract infections, Throat or sinus infections, Intestinal bowel infections. […] Bacteria or a virus can cause ear infections after a cold. […] Around 10% of young infants with a fever have infections in their urinary tract.

• #1 Fever in Children: Symptoms, Causes & Home Remedies

  https://www.emedicinehealth.com/fever_in_children/article_em.htm

  Fever remains the most common concern prompting parents to present their child to the emergency department. Fever has traditionally been defined as a rectal temperature over 100.4 F or 38 C. […] Fever may indicate the presence of a serious illness, but usually, a fever is caused by a common infection, most of which are not serious. […] Causes of fever in Children include bacterial infections, such as scarlet fever, or rarely, rheumatic fever (both related to „strep throat”); viral infections, like influenza (the „flu”); medications; illicit drugs; illnesses related to heat exposure; allergies; rarely, inflammatory diseases, like juvenile rheumatoid arthritis. […] Viral infections of the respiratory system are the most common cause of a fever. Antibiotics do not cure or help with viral infections and increase the chance of drug reactions and potentially other problems. […] If a doctor diagnoses a bacterial infection, the child will be started on antibiotics.

• #1 Fever and high temperature in children and babies – when to see a doctor | healthdirect

  https://www.healthdirect.gov.au/fever-and-high-temperature-in-children

  If you have a baby under 3 months old with a fever above 38C, take them to the nearest hospital emergency department immediately. […] Fever is common in children. […] Fevers are usually caused by viral infections. […] If your child has a fever, they will have a high temperature and may also be flushed, shivering or sweating. […] Fever is one of the ways your body fights infection. […] Infections are by far the most common cause of fever in children. Most of these are caused by viruses, which are responsible for: colds, the flu, COVID-19. […] Some infections are caused by bacteria and need treatment with antibiotics. These include: certain ear and throat infections, urinary tract infections, pneumonia, blood infections such as meningitis. […] You need to see a doctor if you think your child has any of these infections.

• #1 Fever in the Infant and Toddler: Practice Essentials, Background, Neonates

  https://emedicine.medscape.com/article/1834870-overview

  The risk of invasive bacterial infection (IBI) such as bacteremia and bacterial meningitis is age dependent. The risk of IBI is highest in febrile neonates aged 21 days: it is estimated at 3-5% for bacteremia and 1.1-2.7% for meningitis. […] The prevalence of a serious bacterial infection in infants younger than 3 months is approximately 6-10%, most often urinary tract infections (UTIs). […] Historically, children aged 3 months to 3 years with rectal temperatures of 38.5C (101.3F) or higher had a risk of 2-4% for occult bacteremia. […] The leading cause of bloodstream infection was Streptococcus pneumoniae, followed by Haemophilus influenzae type b. […] S pneumoniae and Escherichia coli are the most common pathogens, accounting for two thirds of cases. Invasive pneumococcal disease is most common in children younger than 5 years. […] After the COVID-19 pandemic, invasive group A streptococcal infections increased in children in the United States and in several European countries.

• #1 Fever – Symptoms & causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/fever/symptoms-causes/syc-20352759

  A fever is usually caused by an infection. […] Fevers below 104 F (40 C) associated with common viral infections, such as the flu, may help the immune system fight disease and are generally not harmful. […] Fever or elevated body temperature might be caused by: A viral infection, A bacterial infection, Heat exhaustion, Certain inflammatory conditions such as rheumatoid arthritis inflammation of the lining of your joints (synovium), A cancerous (malignant) tumor, Some medications, such as antibiotics and drugs used to treat high blood pressure or seizures, Some immunizations, such as the diphtheria, tetanus and acellular pertussis (DTaP), pneumococcal or COVID vaccine.

• #1 Fever in Infants and Children – Children’s Health Issues – Merck Manual Consumer Version

  https://www.merckmanuals.com/home/children-s-health-issues/symptoms-in-infants-and-children/fever-in-infants-and-children

  Less common causes of acute fever include side effects of vaccinations and of certain medications, bacterial infections of the skin (cellulitis) or joints (septic arthritis), viral or bacterial infections of the brain (encephalitis) or the tissues covering the brain (meningitis), or disorders where different parts of the body become inflamed (Kawasaki disease or multisystem inflammatory syndrome in children [MIS-C]). […] The most common causes of chronic fever (lasting 14 days or more) are a prolonged viral illness and back-to-back viral illnesses, especially in young children. […] Infectious causes of chronic fever include hepatitis, sinusitis, pneumonia, abdominal abscesses (pockets of pus in the abdomen), infections of the digestive tract caused by bacteria or parasites, bone infections (such as osteomyelitis), heart infections (such as endocarditis), and tuberculosis. […] Noninfectious causes of chronic fever include inflammatory bowel disease, juvenile idiopathic arthritis or other systemic rheumatic disorders, and cancer (such as leukemia and lymphoma).

• #1 Fever in Children (High Temperature): Symptoms and Treatment

  https://patient.info/childrens-health/fever-in-children-high-temperature

  Immunisations: sometimes children develop a fever after an immunisation. This is because immunisations are generally designed to 'trick’ the body’s immune system into thinking it sees an infection, so that it develops immunity. […] Heat stroke is a possible cause of raised body temperature, although technically this isn’t a fever, as the body is being heated from the outside (whereas in fever the body does the heating itself). […] Fever is a part of the body’s natural defences against infection. Fever is created by the immune system under the direction of a part of the brain called the hypothalamus. […] It is believed that the increased temperature is a protection the body has developed to help fight the germs that cause infections, as they tend to multiply best at normal body temperature.

• #1 Fever in Children | Boston Children’s Hospital

  https://www.childrenshospital.org/conditions/fever

  Your child has a fever if her temperature is 100.4 degrees Fahrenheit or higher. […] When your child has a fever, her body works the same way to control the temperature but it resets its thermostat at a higher temperature. The temperature increases for a number of reasons: […] Chemicals called cytokines or mediators are produced in the body in response to an invasion from a microorganism, malignancy, or other intruder. […] The following conditions can cause a fever: Infectious diseases, Certain medications, Heat stroke, Blood transfusion, Disorders of the brain. […] A fever actually helps the body destroy its microbial invader. […] Treating your child’s fever will not help her body get rid of the infection any quicker, but it will relieve discomfort associated with it. […] Rarely, children between the ages of 6 months and 5 years can develop seizures from high fever (called febrile seizures). […] If your child’s temperature reaches 105 degrees Fahrenheit, this is considered a medical emergency and your child needs immediate medical attention, according to the American Academy of Pediatrics.

• #1 What Are Causes of Fever in Babies? – Scripps Health

  https://www.scripps.org/news_items/5787-what-are-common-causes-of-fever-in-infants

  Sometimes, babies with a fever may get very sick and need immediate medical help for serious infections. These infections can include sepsis in the blood and meningitis in the brain or spinal cord. […] Babies can have fever for other reasons too, including: Reaction to a vaccine, which is usually mild; Overheating, from hot weather or wearing too much clothing. […] Teething can raise body temperature but does not cause a true fever. […] A fever is typically 100.4 degrees or higher. […] Call your doctor right away if your child is 2 months old or younger with a rectal temperature of 100.4 degrees or higher. […] If a fever goes above 104 degrees multiple times, seek medical help no matter how old the child is. […] Seek help if your child has a fever and other symptoms, including: Trouble breathing, Rash, Drowsiness, Stiff neck, Vomiting, or dehydration, Febrile seizures. […] Febrile seizures are fever-induced convulsions that can occur in children between 6 months old and 5 years of age. […] While this is a scary event, most febrile seizures are brief and do not cause long-term health problems, says Dr. Wilson.

• #1 Fever in Infants and Children – Pediatrics – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/pediatrics/symptoms-in-infants-and-children/fever-in-infants-and-children

  However, potential infectious causes of acute fever vary with the child’s age. Neonates (infants 28 days) are considered functionally immunocompromised because they often do not contain infection locally and, as a result, are at higher risk of serious invasive bacterial infections most commonly caused by organisms acquired during the perinatal period. […] Most febrile children 1 month to 2 years of age without an obvious focus of infection on examination (fever without source [FWS]) have self-limited viral disease. […] Noninfectious causes of acute fevers include Kawasaki disease, heatstroke, and toxic ingestions (eg, of medications with anticholinergic effects). […] Fever that occurs daily for 2 weeks and for which initial cultures and other investigations fail to yield a diagnosis is considered fever of unknown origin (FUO).

• #1 Fever in Infants and Children – Pediatrics – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/pediatrics/symptoms-in-infants-and-children/fever-in-infants-and-children

  Potential categories of causes include localized or generalized infection, systemic rheumatic disease, and cancer. […] In children, despite the numerous possible causes, true FUO is more likely to be an uncommon manifestation of a common disease rather than an uncommon disease; respiratory infections account for almost half of cases of infection-associated FUO.

• #1 Mayo Clinic Q and A: Child with recurrent fever may have periodic fever syndrome – Mayo Clinic News Network

  https://newsnetwork.mayoclinic.org/discussion/mayo-clinic-q-and-a-child-with-recurrent-fever-may-have-periodic-fever-syndrome/

  A fever is a rise in body temperature. It’s often a sign of infection, but not always. The fever itself generally doesn’t cause any harm. In fact, it can act as a protective mechanism, helping to rid the body of bacteria, viruses and other causes of infection. […] Several types of periodic fever syndrome exist. The most common one is called PFAPA. That stands for periodic fever, aphthous stomatitis, pharyngitis and adenitis. […] The underlying cause of PFAPA is not clear. […] Some parents worry about the effects having a high fever on a regular basis may have on their child. But this condition doesn’t cause any long-term problems. And, contrary to popular belief, a fever itself is not dangerous. Usually, it’s the infection or other illness that accompanies a fever that causes health concerns. Because there is no underlying infection with periodic fever syndrome, other than making the child feel miserable, the fever is harmless.

• #1 Periodic Fever Syndrome: Causes, Symptoms, and Treatments 

  https://www.healthline.com/health/periodic-fever-syndrome

  Periodic fever syndromes are a group of conditions that result in repeated fevers that aren’t due to infection or autoimmune disease. […] Periodic fever syndromes are generally caused by autoinflammatory diseases. This means there’s a change within their immune system that causes the cells to attack their own body. […] A genetic mutation is often the cause of periodic fever syndromes, and this mutation is frequently passed down through families.

• #1

  https://www.healthychildren.org/English/health-issues/conditions/fever/Pages/Fever-Without-Fear.aspx

  Everyone has their own internal „thermostat” that regulates body temperature. Normal body temperature is around 98.6 degrees Fahrenheit plus or minus about one degree (37 degrees Celsius, plus or minus about 0.6 degrees). When the body detects an infection or other illness, the brain responds by raising the body temperature to help fight the condition. […] A rectal temperature over 100.4 degrees Fahrenheit is considered a fever. […] While fever-reducing medicines can make your child more comfortable, they do not cure illness. […] A fever will cause a child to lose fluids more quickly, so offer plenty of fluids to avoid dehydration. […] Giving a child acetaminophen or ibuprofen will usually reduce a fever. […] Call your child’s doctor right away if your child has a fever and looks very ill, is unusually drowsy or is very fussy. […] Fever rises above 104F (40C) repeatedly for a child of any age.

• #1 Fevers in Kids: Top 5 Fever Myths and Facts | Texas Children’s

  https://www.texaschildrens.org/content/wellness/fevers-kids-top-5-fever-myths-and-facts

  For many parents, a fever is one of the most concerning and alarming symptoms a child can have. Many fever myths sound scary — and it’s time to set the record straight! To many pediatricians, fever is considered a good sign that the body is mounting a response to an infection. […] In reality, a fever is the body’s natural response to infection and often helps fight off viruses. […] Knowing the facts about fevers can help you manage your child’s health more confidently. […] Fact: Fevers are a protective mechanism and a sign that the body’s immune system is activated and working. Most fevers are good for sick children and help the body fight infection. Fevers do not cause brain damage. […] Only extremely high fevers — over 107.6°F (42°C) — can affect the brain. […] What matters most is how your child looks and any other symptoms he or she has. […] A fever with no other symptoms in a child is most likely to be the body’s natural way to fight against an infection.

• #1 Fever (High Temperature) In Kids – Partners in Pediatrics

  https://www.pipstop.com/educationmaterials/article/7902/fever-and-taking-your-childs-temperature/

  Fever symptoms to watch for in kids: feeling warm, acting differently (they might be fussy or cranky, or quieter than usual), breathing a little faster or have a faster heart rate than normal, having a headache, having chills or sweating, having red or flushed skin. […] If your child is uncomfortable from a fever or not drinking liquids well, you can give one of these medicines: acetaminophen (such as Tylenol or a store brand) or ibuprofen (such as Advil, Motrin, or a store brand). […] Do not give any medicine for fever to infants younger than 3 months old unless instructed to by a doctor. […] Offer plenty of liquids to avoid dehydration because fevers make kids lose fluids faster than usual. […] The temperature that should trigger a call to the doctor depends on a child’s age, the illness, and whether they have other symptoms. […] In general, call the doctor if your child is: younger than 3 months old with a rectal temperature of 100.4F (38C) or higher, 3 months or older with a temperature higher than 102.2F (39C), any age but has a health problem like cancer or sickle cell disease and has a fever.

• #1 When To Take Your Child to the Hospital for a Fever

  https://health.clevelandclinic.org/kids-fevers-when-to-worry-when-to-relax

  A fever may be a sign that your child is fighting an infection from the common cold, flu, ear infection, stomach bug or a urinary tract infection (UTI). […] Dr. Lim says doctors tend not to worry about a fever if its mild, lasts fewer than five days and doesnt affect your kids day-to-day activities. […] Call a healthcare provider if your baby has any fever or if their temperature drops below 97.7 F (36.5 C) rectally. […] In babies and children over 3 months, call a healthcare provider if your childs fever is higher than 104 F (40 C), or if the fever doesnt come down with a fever-reducing medication. […] Your pediatrician may need to investigate further for underlying causes. […] In certain cases, a fever can be present with other symptoms that may be a sign of a serious illness. […] Febrile seizures occur in 2% to 4% of all children under age 5.

• #1 What You Need to Know About Fevers in Kids | Children’s Healthcare of Atlanta

  https://www.choa.org/parent-resources/everyday-illnesses/what-to-know-about-fevers-in-kids

  A high fever may not be a good indicator of how sick your child is. A simple cold or viral infection can cause a fever of 102F to 104F (38.9C to 40C) but isn’t usually a cause for worry. […] There is no temperature that automatically means your child will have a febrile seizure, Dr. Stewart said. How quickly your child’s temperature increases is more important than the actual height of the fever. Children most likely to have a seizure with fever are between 6 months and 6 years of age. This is most often due to viral illness. […] If your child has a fever but is still interested in playing, and is alert and smiling at you, his fever can probably be observed with at-home treatment, said Deidre Stewart, MD, an area practice director for Children’s Healthcare of Atlanta Urgent Care.

• #1 Fever in children

  https://www.rch.org.au/kidsinfo/fact_sheets/fever_in_children/

  Fever (a high temperature) is common in children. Fever is a normal response to many illnesses, the most common being an infection in the body. Fever itself is usually not harmful in fact, it helps the body’s immune system fight off infection. […] Infections that produce fever can be caused by different sorts of germs. Most are caused by viruses and dont need any treatment. A few are caused by bacteria, which are treated with antibiotics. Antibiotics do not work on viruses. […] A fever is when a childs temperature is 38C or higher. […] A fever itself rarely causes harm and can help fight an infection. […] Doctors do not focus on fever in a child. They are more concerned about how your child looks and feels if your child is not drinking, is lethargic and not themselves, or they have had a persistent fever for two or more days, that is when a doctor may try to work out what is causing the fever, and may require a blood test or urine sample. […] Children who are teething may have a fever of up to 38C. However, a temperature greater than 38C should never just be attributed to teething. It is more likely that an infection is present.

• #1 Fever in Children: Pearls and Pitfalls

  https://pmc.ncbi.nlm.nih.gov/articles/PMC5615271/

  Even though the height of fever does not define severity of illness by itself, there is an association with a greater likelihood of SBI for temperatures 39 C. […] In a prospective cohort study on more than 12,800 children presenting with febrile illness, fever 39 C was associated with an increased risk of SBI, especially in infants under 6 months. […] However, this cut-off still missed 82% of SBI episodes in this age group; therefore, lower temperatures cannot be considered reassuring. […] In a prospective series of 103 children with a temperature 41 C, almost 50% had an SBI. […] Temperatures above 41 C have also been associated with a higher risk of meningitis. […] Notably, however, children with SBI may also have a normal temperature or be hypothermic.

• #1 Fever in Children: Pearls and Pitfalls

  https://pmc.ncbi.nlm.nih.gov/articles/PMC5615271/

  Fever is the most common reason for increased body temperature in pediatric clinical practice. The most common causes of fever in children are infections; non-infectious causes include immune-mediated, inflammatory, and neoplastic conditions. When a cause for fever cannot be identified by history and physical examination it is called fever without source (FWS). […] In industrialized countries, a minority of children with FWS will have a serious bacterial infection (SBI) (mainly urinary tract infection (UTI), less commonly pneumonia, sepsis, or meningitis), while the majority will have mild, self-resolving viral illnesses. […] Nevertheless, signs and symptoms of a viral upper respiratory infection do not reliably exclude the possibility of an associated SBI, given the possibility of co-infections.

• #2 High temperature – fever in children

  https://www2.hse.ie/conditions/high-temperature/

  In children, any temperature of 38 degrees Celsius or above is considered high. High temperature is common in young children. A temperature above 38 degrees Celsius is usually a sign of an infection such as a cold. But it can also be due to more serious infections, so it’s important to look at all your child’s symptoms. […] High temperatures are usually caused by minor illnesses. But they can be a sign of serious infections. […] It’s rare for a fever to be a sign of anything serious. […] A fever (high temperature – 38 degrees Celsius or above) can be a symptom of COVID-19.

• #2 Fever in Children | Boston Children’s Hospital

  https://www.childrenshospital.org/conditions/fever

  Your child has a fever if her temperature is 100.4 degrees Fahrenheit or higher. […] When your child has a fever, her body works the same way to control the temperature but it resets its thermostat at a higher temperature. The temperature increases for a number of reasons: […] Chemicals called cytokines or mediators are produced in the body in response to an invasion from a microorganism, malignancy, or other intruder. […] The following conditions can cause a fever: Infectious diseases, Certain medications, Heat stroke, Blood transfusion, Disorders of the brain. […] A fever actually helps the body destroy its microbial invader. […] Treating your child’s fever will not help her body get rid of the infection any quicker, but it will relieve discomfort associated with it. […] Rarely, children between the ages of 6 months and 5 years can develop seizures from high fever (called febrile seizures). […] If your child’s temperature reaches 105 degrees Fahrenheit, this is considered a medical emergency and your child needs immediate medical attention, according to the American Academy of Pediatrics.

• #2 Fever in Children (High Temperature): Symptoms and Treatment

  https://patient.info/childrens-health/fever-in-children-high-temperature

  Immunisations: sometimes children develop a fever after an immunisation. This is because immunisations are generally designed to 'trick’ the body’s immune system into thinking it sees an infection, so that it develops immunity. […] Heat stroke is a possible cause of raised body temperature, although technically this isn’t a fever, as the body is being heated from the outside (whereas in fever the body does the heating itself). […] Fever is a part of the body’s natural defences against infection. Fever is created by the immune system under the direction of a part of the brain called the hypothalamus. […] It is believed that the increased temperature is a protection the body has developed to help fight the germs that cause infections, as they tend to multiply best at normal body temperature.

• #2 Causes of High Fever in Children and When to Worry | UPMC

  https://share.upmc.com/2019/06/children-with-fevers-when-to-worry/

  If your child has a fever, chances are high that one of the following conditions caused it: […] Viruses are the most common cause of fever in children, and they do not require antibiotics. […] Treatable with antibiotics and contagious, bacterial infections can wait for 12 hours until your child is seen by a doctor.

• #2 Fever in Infants and Children – Children’s Health Issues – Merck Manual Consumer Version

  https://www.merckmanuals.com/home/children-s-health-issues/symptoms-in-infants-and-children/fever-in-infants-and-children

  Fever occurs in response to infection, injury, or inflammation and has many causes. Likely causes of fever depend on whether it has lasted 14 days or less (acute) or more than 14 days (chronic), as well as on the age of the child. Fevers are usually acute. […] Acute fevers in infants and children are usually caused by an infection. […] The most common causes of acute fever (lasting 14 days or less) are respiratory infections due to a virus, such as colds or flu, gastroenteritis (infection of the digestive tract) due to a virus, and certain bacterial infections, particularly ear infections (otitis media), sinus infections, pneumonia, and urinary tract infections. […] Newborns and young infants are at higher risk of certain serious infections because their immune system is not fully developed. Such infections may be acquired before birth or during birth and include sepsis (a serious infection of the blood), pneumonia (infection of the small air sacs of the lungs), and meningitis (infection of the tissues covering the brain).

• #2 Fever: Causes, Symptoms, and Treatment

  https://www.webmd.com/first-aid/fevers-causes-symptoms-treatments

  A fever can be a sign of several health conditions, which may or may not need medical treatment. […] The most common causes are infections such as colds and stomach bugs (gastroenteritis). Other causes include: […] Infections of the ear, lung, skin, throat, bladder, or kidney […] Viral infections like the flu or COVID-19 […] Teething in babies can cause a mild, low-grade fever (not over 101 degrees).

• #2 Fever in children | nidirect

  https://www.nidirect.gov.uk/conditions/fever-children

  A fever is a high temperature. Generally, in children fever is a temperature of 38C (100.4F) or over. Most fevers are caused by infections or other illnesses. Common conditions that can cause fevers include: upper respiratory tract infections (RTIs), flu, ear infections, roseola a virus that causes a temperature and a rash, tonsillitis, kidney or urinary tract infections (UTIs), common childhood illnesses, such as chickenpox and whooping cough. Other than having a high temperature, if your child seems to be well, for example, if they’re playing and attentive, its less likely they’re seriously ill. Sometimes a high temperature in children is associated with more serious signs and symptoms, such as: breathlessness, vomiting, rash, fits or seizures. Possible serious bacterial illnesses include: meningitis infection of the meninges, the protective membranes that surround the brain and spinal cord, septicaemia infection of the blood, pneumonia inflammation of the lung tissue, usually caused by an infection. It’s important to remember that potentially serious causes of fever are rare.

• #2 Fever in Children: What to Know and When to Worry – Pediatrics

  https://healthmatters.nyp.org/fever-in-children-what-to-know-and-when-to-worry/

  RSV usually causes runny nose and cough, but children can get a fever, and 20% to 30% of children have faster breathing due to infection of the lower airways (known as bronchiolitis). […] COVID-19 can cause runny nose, cough, and fever, but it appears to be a less common cause of more severe disease and hospitalization in children compared to RSV and influenza. […] For infants less than 6 weeks old, a fever always warrants a visit to the emergency department, because young babies are at higher risk for infection. […] If your child is unable to drink, is dehydrated (has less than five wet diapers in 24 hours), has difficulty breathing, or if your baby is inconsolable, it is recommended to go to the emergency department. […] Treating a fever is more about treating the symptoms rather than trying to bring down the temperature.

• #2 What You Need to Know About Fevers in Kids | Children’s Healthcare of Atlanta

  https://www.choa.org/parent-resources/everyday-illnesses/what-to-know-about-fevers-in-kids

  A high fever may not be a good indicator of how sick your child is. A simple cold or viral infection can cause a fever of 102F to 104F (38.9C to 40C) but isn’t usually a cause for worry. […] There is no temperature that automatically means your child will have a febrile seizure, Dr. Stewart said. How quickly your child’s temperature increases is more important than the actual height of the fever. Children most likely to have a seizure with fever are between 6 months and 6 years of age. This is most often due to viral illness. […] If your child has a fever but is still interested in playing, and is alert and smiling at you, his fever can probably be observed with at-home treatment, said Deidre Stewart, MD, an area practice director for Children’s Healthcare of Atlanta Urgent Care.

• #2 Fever in Children (High Temperature): Symptoms and Treatment

  https://patient.info/childrens-health/fever-in-children-high-temperature

  A fever occurs when the body temperature is higher than normal. Normal body temperature varies a little, but a temperature above 38C is considered a fever. […] The most common causes of fever in children in the UK are viral infections. There are many other uncommon causes. Some of these will show other obvious signs. […] Infections with viruses are the most common cause. Viral infections cause many common illnesses such as colds, coughs, flu, diarrhoea, etc. Sometimes viral infections can cause more serious illnesses. […] Infections with bacteria are much less common than viral infections but also cause fevers. Bacteria are more likely to cause serious illness such as pneumonia, joint infections (septic arthritis), urine infections, kidney infections, septicaemia and meningitis. […] Inflammatory conditions and reactions may cause fever, including Kawasaki disease, some types of arthritis, and reactions to some medicines.

• #2 Overview: Fever in children – InformedHealth.org – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK279455/

  „My child has a high temperature” not an unlikely event in the lives of parents with young children. Children are more likely to get a fever than adults are. Fever is one of the most common reasons why children are brought to the doctor or to the hospital for out-of-hours medical advice. […] Only about 1 out of 100 children with fever have a serious medical problem that needs to be treated by a doctor. In most cases bacterial infections such as pneumonia are then to blame. […] But fever is usually caused by germs. Instead, it is a reaction in the body to speed up certain metabolic processes and generate more warmth. So it isn’t an illness, but rather part of your body’s normal response to the germs. […] Possible causes of fever include the following: Viruses or bacteria: for instance, a common cold, middle ear infection, urinary tract infection (UTI) or gastroenteritis. Or typical childhood diseases such as mumps, measles, German measles (rubella), scarlet fever, chickenpox and sixth disease (roseola). […] In rare cases: serious illnesses such as pneumonia, meningitis, appendicitis or an infection of the joints or bone marrow. […] Fever can sometimes lead to a febrile seizure (also known as a febrile convulsion) particularly in children between the ages of three months and five years.

• #2 What Are Causes of Fever in Babies? – Scripps Health

  https://www.scripps.org/news_items/5787-what-are-common-causes-of-fever-in-infants

  Fever in children, especially infants, will do that. […] Knowing what causes fevers, how to treat them and when to contact your doctor can help ease your worry. […] Fever is not an illness itself but rather a symptom of an underlying issue. It is the bodys way of fighting an infection and can actually stimulate the bodys immune system to help to fight off the infection, says Dr. Wilson. […] Children are more likely than adults to get a fever when they have a viral or bacterial infection. Common infections include: Common colds, Flu, RSV, Croup, Ear infections, Pneumonia, Urinary tract infections, Throat or sinus infections, Intestinal bowel infections. […] Bacteria or a virus can cause ear infections after a cold. […] Around 10% of young infants with a fever have infections in their urinary tract.

• #2 What Causes A High Temperature In Children? | Kinetik Wellbeing

  https://www.kinetikwellbeing.com/what-causes-high-temperature-in-children/

  A high temperature is a healthy bodily response where your body temperature rises in order to try and fight an infection. This can be caused by a variety of bacterial or viral infections. […] A fever is when someone has a persistent high temperature above 37C (98.6F). This is normally caused by a bacterial or viral infection and is often associated with a sore throat, earache, measles, meningitis or chickenpox. […] Chickenpox is a highly contagious viral disease caused by the varicella-zoster virus. Someone with chickenpox will usually have a high temperature and an itchy rash with red blisters. […] Scarlet fever is an infection that causes a blotchy, pink-red rash. […] Slapped cheek is a viral infection thats common in children but usually goes away within 3 weeks without treatment. […] These are just a few examples of infections that can cause a high temperature.

• #2 Fever in Infants and Children – Pediatrics – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/pediatrics/symptoms-in-infants-and-children/fever-in-infants-and-children

  However, potential infectious causes of acute fever vary with the child’s age. Neonates (infants 28 days) are considered functionally immunocompromised because they often do not contain infection locally and, as a result, are at higher risk of serious invasive bacterial infections most commonly caused by organisms acquired during the perinatal period. […] Most febrile children 1 month to 2 years of age without an obvious focus of infection on examination (fever without source [FWS]) have self-limited viral disease. […] Noninfectious causes of acute fevers include Kawasaki disease, heatstroke, and toxic ingestions (eg, of medications with anticholinergic effects). […] Fever that occurs daily for 2 weeks and for which initial cultures and other investigations fail to yield a diagnosis is considered fever of unknown origin (FUO).

• #2 Fever (High Temperature) In Kids – Partners in Pediatrics

  https://www.pipstop.com/educationmaterials/article/7902/fever-and-taking-your-childs-temperature/

  All kids get a fever from time to time. […] Fevers in kids are usually caused by an infection. A fever helps the body by stimulating the immune system to fight the infection. […] A few other reasons kids can have a fever: Overdressing: Infants, especially newborns, may get fevers if they’re overdressed, wrapped in a blanket, or in a hot environment because they don’t regulate their body temperature as well as older kids. […] Immunizations: Babies and kids sometimes get a mild fever that lasts about a day after getting vaccinated. […] A child who is teething might have a slight rise in body temperature, but it’s probably not the cause if the temperature is higher than 100F (37.8C). […] In most healthy kids who are acting well, a fever isn’t serious. […] A fever probably is not serious if your child is 3 months or older and: is still interested in playing, is drinking well, is alert and smiling, has a normal skin color, looks well when their temperature comes down.

• #2 Fever in Children

  https://www.healthhub.sg/a-z/diseases-and-conditions/common-childhood-conditions-fever

  A fever in young children usually means that they have an underlying infection. […] The most common causes of fever in children are viral infections. […] These are less common than viral infections but can also cause fevers. […] Sometimes, children develop a fever after an immunisation e.g. after DTaP. […] Inflammatory conditions and reactions e.g. Kawasaki Disease may also cause fever. […] Fever is a symptom of an underlying disease and a sign that the body is fighting the disease.

• #2 Fever in Infants and Children – Pediatrics – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/pediatrics/symptoms-in-infants-and-children/fever-in-infants-and-children

  Potential categories of causes include localized or generalized infection, systemic rheumatic disease, and cancer. […] In children, despite the numerous possible causes, true FUO is more likely to be an uncommon manifestation of a common disease rather than an uncommon disease; respiratory infections account for almost half of cases of infection-associated FUO.

• #2 What to Do if Your Child Has a Fever

  https://www.verywellhealth.com/dont-panic-your-child-has-fever-2633577

  Fever occurs in response to certain fever-inducing substances called pyrogens. […] Childhood fevers can be caused by: Viral infections (flu, cold, RSV, roseola, chickenpox, etc.), Bacterial infections (ear infections, strep throat, scarlet fever, pneumonia, Rocky Mountain spotted fever, urinary tract infections, etc.), Other infections, including parasites (malaria) and fungal infections, Rheumatic diseases, such as juvenile rheumatoid arthritis and lupus, Cancer (such as leukemia or lymphoma), Familial Mediterranean fever, cyclic neutropenia, Kawasaki disease, periodic fever syndrome, aphthous stomatitis, pharyngitis, and adenopathy (PFAPA). […] Fever can also be a side effect of medication use (drug fever), a blood transfusion, or vaccines.

• #2 Fever – Symptoms & causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/fever/symptoms-causes/syc-20352759

  A fever is usually caused by an infection. […] Fevers below 104 F (40 C) associated with common viral infections, such as the flu, may help the immune system fight disease and are generally not harmful. […] Fever or elevated body temperature might be caused by: A viral infection, A bacterial infection, Heat exhaustion, Certain inflammatory conditions such as rheumatoid arthritis inflammation of the lining of your joints (synovium), A cancerous (malignant) tumor, Some medications, such as antibiotics and drugs used to treat high blood pressure or seizures, Some immunizations, such as the diphtheria, tetanus and acellular pertussis (DTaP), pneumococcal or COVID vaccine.

• #2

  https://www.beaumont.org/conditions/fevers

  A fever is a temperature of 100.4 F and higher. […] The temperature increases for a number of reasons: Chemicals, called cytokines and mediators, are produced in the body in response to an invasion from a microorganism, malignancy, or other intruder. […] The following conditions can cause a fever: infectious diseases, certain medications, heat stroke, blood transfusion, disorders in the brain. […] A fever actually helps the body destroy its microbial invader. […] In children, a fever that is equal to or greater than 102.2 F should be treated. […] Treating your child’s fever will not help the body get rid of the infection any quicker, it simply will relieve discomfort associated with fever. […] When a child’s temperature reaches 105, this is considered a medical emergency and the child needs immediate medical attention, according to the American Academy of Pediatrics.

• #2 Patient education: Fever in children (Beyond the Basics) – UpToDate

  https://www.uptodate.com/contents/fever-in-children-beyond-the-basics/print

  Fever is a normal response to a variety of conditions, the most common of which is infection. […] Infection is the most common cause of fever in children. Common viral and bacterial illnesses are the most likely illnesses to cause fever. […] There is little or no scientific evidence to support the widespread belief that teething causes fever. […] Some childhood immunizations can cause fever. The timing of the fever varies, depending upon which vaccination was given.

• #2 Periodic Fever Syndrome: Causes, Symptoms, and Treatments 

  https://www.healthline.com/health/periodic-fever-syndrome

  Periodic fever syndromes are a group of conditions that result in repeated fevers that aren’t due to infection or autoimmune disease. […] Periodic fever syndromes are generally caused by autoinflammatory diseases. This means there’s a change within their immune system that causes the cells to attack their own body. […] A genetic mutation is often the cause of periodic fever syndromes, and this mutation is frequently passed down through families.

• #2 Fevers in Kids: Top 5 Fever Myths and Facts | Texas Children’s

  https://www.texaschildrens.org/content/wellness/fevers-kids-top-5-fever-myths-and-facts

  For many parents, a fever is one of the most concerning and alarming symptoms a child can have. Many fever myths sound scary — and it’s time to set the record straight! To many pediatricians, fever is considered a good sign that the body is mounting a response to an infection. […] In reality, a fever is the body’s natural response to infection and often helps fight off viruses. […] Knowing the facts about fevers can help you manage your child’s health more confidently. […] Fact: Fevers are a protective mechanism and a sign that the body’s immune system is activated and working. Most fevers are good for sick children and help the body fight infection. Fevers do not cause brain damage. […] Only extremely high fevers — over 107.6°F (42°C) — can affect the brain. […] What matters most is how your child looks and any other symptoms he or she has. […] A fever with no other symptoms in a child is most likely to be the body’s natural way to fight against an infection.

• #2

  https://myhealth.alberta.ca/Health/pages/conditions.aspx?hwid=fevr3

  High fevers may make your child uncomfortable, but they rarely cause serious problems. […] There is no medical evidence that fevers from infection cause brain damage. […] Certain health conditions and medicines weaken the immune system’s ability to fight off infection and illness. […] Fever can be a symptom of almost any type of infection.

• #2 Fever | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/fever

  Treatment depends on the cause for example, chronic tonsillitis may require surgery to remove the tonsils (tonsillectomy). […] Fevers caused by viral illnesses shouldn’t be treated with antibiotics, since these drugs have no effect against viruses. […] On average, a child has up to 10 infections per year. […] Body temperature isn’t a reliable indicator of illness for babies and young children a child may have a mild temperature according to the thermometer (slightly over 37C), but seem happy and healthy. […] A febrile convulsion is a fit or seizure that occurs in babies and children when they have a high fever, usually from an ear infection or a viral upper respiratory infection. […] Approximately 3% of otherwise healthy children will have one or more febrile convulsions between the ages of 6 months and 6 years.

• #2

  https://myhealth.alberta.ca/Health/pages/conditions.aspx?hwid=fevr3

  A fever is the body’s normal and healthy reaction to infection and other illnesses, both minor and serious. […] A fever is a symptom, not a disease. […] Infections caused by bacteria, such as a urinary infection or bacterial pneumonia, also can cause a fever. […] Common causes of a fever include: Viral infections, such as colds, flu, and chickenpox. […] Bacterial infections, such as a urinary tract infection. […] Immunizations. […] A fever that rises quickly may lead to a fever seizure in some children. […] Fever seizures can be scary to see. But they usually don’t cause other problems, such as brain damage, intellectual disability, or learning problems. […] A fever in a healthy child usually isn’t dangerous, especially if the child doesn’t have other symptoms and the fever goes away in 3 to 4 days.

• #2 Fever: Symptoms, treatments, types, and causes

  https://www.medicalnewstoday.com/articles/168266

  A person has a fever if their body temperature rises above the normal range of 98-100F (36-37C). It is a common sign of an infection. […] A high body temperature is a normal part of this reaction. […] A fever is a symptom, not an illness. […] Fevers can result from various factors, including an infection, such as strep throat, the flu, chickenpox, pneumonia, or COVID-19. […] Children with a high temperature may develop a febrile seizure. These often result from an ear infection, gastroenteritis, or a respiratory virus, and they are not usually serious. […] Less commonly, they may stem from a more severe illness, such as meningitis, a kidney infection, or pneumonia. […] Seizures can occur when the body temperature rises quickly. […] A doctor may wish to carry out tests to identify the cause. If the fever is due to a bacterial infection, they may prescribe an antibiotic. […] If it stems from a viral infection, the doctor may recommend using NSAIDs to relieve the symptoms.

• #2 What to Do When Your Child Has a Fever – Children’s Health

  https://www.childrens.com/health-wellness/what-to-do-when-your-child-has-a-fever

  When your child has a fever, it is a sign that their immune system is fighting off an infection. […] A temperature of 100.4F or higher is considered a fever for a child. […] If your child has a fever, there are ways to provide relief and help reduce the fever: […] Prolonged fever can lead to dehydration. […] If a fever does not respond to acetaminophen or ibuprofen and continues to persist, that is also a good time to seek medical care. […] While a high fever on its own may not warrant a trip to the ER, there are a variety of other symptoms to watch for.

• #2 Fever in Children: Your Questions Answered

  https://www.mountelizabeth.com.sg/health-plus/article/fever-in-children

  Common viral infections can cause a fever but they can usually be safely managed at home. […] Causes of a higher fever include the common cold or other viral infections, but this doesn’t usually indicate a serious problem. […] A fever is our body’s natural defensive reaction to an infection caused by germs that have entered the body. […] Types of germs that cause infections: Viruses, Bacteria. […] Most of the time, your child’s fever will be due to a self-resolving common virus that the immune system will fight. […] Bacterial infections, on the other hand, may get worse if not treated with antibiotics. […] An important point to note, is that the height of the fever does not correlate to the severity of the child’s illness.

• #2 Fever (High Temperature): Causes, Symptoms, and Treatment

  https://patient.info/signs-symptoms/fever

  You should contact a doctor if there is a high temperature (fever) and: A child is under 3 months of age, A child is 3-6 months of age with a fever of 39 degrees or more, A child has a fit, There is a rash that does not disappear when pressing a glass on it (a non-blanching rash), The person with the fever is becoming more unwell, A fever lasts longer than five days, There is no obvious cause of the fever.

• #2 Fever in Babies: Causes, Symptoms, and Treatments

  https://www.webmd.com/parenting/baby/fever-in-babies

  A fever isn’t an illness. It’s a symptom of one. A fever usually means that the body is fighting an illness and the immune system is working harder. If your baby has a fever, in most cases it means they’ve gotten a cold, flu, or other viral infection. Bacterial infections are another cause, and urinary tract infections are common causes of fevers in girls. Fevers in babies can also be a harmless reaction to a vaccine or a result of overheating on a hot day. […] Some other causes that are more serious include: […] A fever in the first 3 months of your baby’s life is serious. It may be due to a bloodstream infection called sepsis. […] Meningitis. This is a bacterial infection in the tissue that covers your baby’s brain and spine. It’s a very serious condition.

• #2 When Is a Fever Too High for a Child? Essential Guidelines – BuzzRx Select permission for Location

  https://www.buzzrx.com/blog/when-is-a-fever-too-high-for-a-child

  The following medical conditions can also cause fever in children: Heat stroke, Blood transfusions, Autoimmune diseases, Brain disorders, Certain cancers, Some medications. […] It’s common for children to develop a fever after vaccinations. This is a normal immune response. The child’s fever after vaccination is evidence that their immune system is responding to the vaccine and building immunity.

• #2 Mayo Clinic Q and A: Child with recurrent fever may have periodic fever syndrome – Mayo Clinic News Network

  https://newsnetwork.mayoclinic.org/discussion/mayo-clinic-q-and-a-child-with-recurrent-fever-may-have-periodic-fever-syndrome/

  A fever is a rise in body temperature. It’s often a sign of infection, but not always. The fever itself generally doesn’t cause any harm. In fact, it can act as a protective mechanism, helping to rid the body of bacteria, viruses and other causes of infection. […] Several types of periodic fever syndrome exist. The most common one is called PFAPA. That stands for periodic fever, aphthous stomatitis, pharyngitis and adenitis. […] The underlying cause of PFAPA is not clear. […] Some parents worry about the effects having a high fever on a regular basis may have on their child. But this condition doesn’t cause any long-term problems. And, contrary to popular belief, a fever itself is not dangerous. Usually, it’s the infection or other illness that accompanies a fever that causes health concerns. Because there is no underlying infection with periodic fever syndrome, other than making the child feel miserable, the fever is harmless.

• #3 Fever (High Temperature): Causes, Symptoms, and Treatment

  https://patient.info/signs-symptoms/fever

  A high temperature is called a fever (or sometimes a high fever). Fever itself is not an illness. A fever is usually a symptom of an underlying condition, usually an infection. […] High temperature (fever) is caused by the release of certain chemicals by the immune system, usually as a result of infection or inflammation. […] Most fevers are caused by infections or other illnesses. Viral infections are the commonest causes of a fever. The high body temperature makes it more difficult for the germs (bacteria or viruses) which cause infections to survive. […] Common conditions that can cause fevers include: Respiratory tract infections and colds, Flu (influenza), Infection of the gut (gastroenteritis), Ear infections, Infection of the tonsils, Kidney or urinary tract infections, Common childhood illnesses.

• #3 Fever in Children – Stanford Medicine Children’s Health

  https://www.stanfordchildrens.org/en/topic/default?id=fever-in-children-90-P02512

  Chemicals, called cytokines and mediators, are made in the body in response to an invasion from a microorganism, malignancy, or other intruder. […] The body is busy trying to make natural antibodies, which fight infection. These antibodies will recognize the infection next time it tries to invade. […] These conditions can cause a fever: Infectious diseases, Certain medicines, Heat stroke, Blood transfusion, Disorders in the brain, Some kinds of cancer, Some autoimmune diseases. […] Fever is not an illness. It is a symptom, or sign, that your body is fighting an illness or infection. Fever stimulates the body’s defenses, sending white blood cells and other „fighter” cells to fight and destroy the cause of the infection.

• #3 High temperature or fever in children | Raising Children Network

  https://raisingchildren.net.au/babies/health-daily-care/health-concerns/fever

  Fever in children is when their body temperature is higher than 38C. A normal temperature range for children is 36.5C-38C. […] Fever is not an illness in itself its usually the bodys immune system responding to an infection, disease or inflammation. […] Infections are the most common cause of fever in children. In general, a high temperature in children is a sign their body is fighting an infection. […] Most childhood infections are caused by viruses. Other infections might be caused by bacteria. […] There are other less common causes of fever. These include allergic reactions to medicines or vaccines and conditions that cause inflammation in the body, like inflammatory bowel disease. […] If your child has a fever, make sure your child is drinking enough fluids to avoid dehydration. […] If your child’s fever is caused by a bacterial infection, your child might need treatment with antibiotics to get rid of the infection.

• #3 When to Worry About a Child’s Fever | Sutter Health

  https://www.sutterhealth.org/health/when-to-worry-about-a-childs-fever

  Viruses are the most common cause of infection in kids. The second most common source of infection is bacteria. Both types of infections can cause fevers. […] Fever is a healthy sign the body is working properly to fight and overcome an infection. Through a chemical reaction, your body elevates your core temperature to stop bad viruses and bacteria from replicating. […] However, in very young children especially new babies fevers can be concerning. This is because their immune systems are still developing, and a fever can put them at risk for a severe infection. […] In infants less than 2 months old, a fever is any temperature over 100.4F. […] In babies and children older than 3 months, a fever is a temperature greater than 101.5F.

• #3 What Are Causes of Fever in Babies? – Scripps Health

  https://www.scripps.org/news_items/5787-what-are-common-causes-of-fever-in-infants

  Sometimes, babies with a fever may get very sick and need immediate medical help for serious infections. These infections can include sepsis in the blood and meningitis in the brain or spinal cord. […] Babies can have fever for other reasons too, including: Reaction to a vaccine, which is usually mild; Overheating, from hot weather or wearing too much clothing. […] Teething can raise body temperature but does not cause a true fever. […] A fever is typically 100.4 degrees or higher. […] Call your doctor right away if your child is 2 months old or younger with a rectal temperature of 100.4 degrees or higher. […] If a fever goes above 104 degrees multiple times, seek medical help no matter how old the child is. […] Seek help if your child has a fever and other symptoms, including: Trouble breathing, Rash, Drowsiness, Stiff neck, Vomiting, or dehydration, Febrile seizures. […] Febrile seizures are fever-induced convulsions that can occur in children between 6 months old and 5 years of age. […] While this is a scary event, most febrile seizures are brief and do not cause long-term health problems, says Dr. Wilson.

• #3 Patient education: Fever in children (Beyond the Basics) – UpToDate

  https://www.uptodate.com/contents/fever-in-children-beyond-the-basics/print

  Fever is a normal response to a variety of conditions, the most common of which is infection. […] Infection is the most common cause of fever in children. Common viral and bacterial illnesses are the most likely illnesses to cause fever. […] There is little or no scientific evidence to support the widespread belief that teething causes fever. […] Some childhood immunizations can cause fever. The timing of the fever varies, depending upon which vaccination was given.

• #3 Fever Symptoms & Treatment (for Parents) (for Parents) | Nemours KidsHealth

  https://kidshealth.org/en/parents/fever.html

  All kids get a fever from time to time. Usually, a fever isnt dangerous or bad for kids. It can even be a good thing because it can help the immune system fight infection. […] Fevers in kids are usually caused by an infection. A fever helps the body by stimulating the immune system to fight the infection. Doctors also think the higher temperature makes it harder for the germs to grow. […] A few other reasons kids can have a fever: Overdressing: Infants, especially newborns, may get fevers if they’re overdressed, wrapped in a blanket, or in a hot environment because they don’t regulate their body temperature as well as older kids. But because fevers in newborns can be a sign of a serious infection, even infants who are overdressed must be checked by a doctor if they have a fever. […] Immunizations: Babies and kids sometimes get a mild fever that lasts about a day after getting vaccinated. […] A child who is teething might have a slight rise in body temperature, but it’s probably not the cause if the temperature is higher than 100F (37.8C).

• #3 Fever – All for Kids

  https://www.afkpeds.org/our-services/sick-kids/fever/

  Fever is caused by pyrogens which are substances released into the blood stream by the bodys white blood cells as they attack invading bacteria or viruses. […] Fever alone caused by the normal infections that kids get, usually between 101 to 104 F, is not dangerous. […] The vast majority of fever-associated illnesses are caused by trivial viral infections which are short-lived and not at all serious. […] Because serious illnesses do cause fever, your following our advice in this section may be crucial to your childs health. […] Fever is part of the defense mechanism of the body and as such is beneficial in fighting off infections.

• #3

  https://nuhsplus.edu.sg/article/when-should-you-be-concerned-about-your-childs-fever

  Fever is one of the bodys ways of manifesting an infection or inflammation, and often accompanies other symptoms of infection, she explained. […] Causes of fever: Viral infections make up the bulk of infections, including common colds, gastroenteritis or dengue. […] Bacterial infections such as ear infections, pneumonia or urinary tract infections. […] Rarer causes: Heat exhaustion, certain inflammatory conditions, certain medications and malignant tumours. […] Contrary to popular belief, fever itself doesnt lead to brain damage, though there may be associations of high fever in young children with febrile fits. […] In rare cases, fever may be a sign of something more serious, such as cancer, autoimmune diseases or immune system disorders.

• #3 What to do if your child has a high temperature or fever | NCT

  https://www.nct.org.uk/information/baby-toddler/baby-and-toddler-health/what-do-if-your-child-has-high-temperature-or-fever

  Infections can cause a high temperature or fever in children. […] A temperature of 38C (100.4F) or above is considered high in children. […] If a baby under three months old has a temperature of 38C or over, or a baby between three and six months old has a temperature of 39C (102.2F) or more, call your GP or 111 urgently. […] Mild fevers can be treated at home. […] Babies over two months old can have infant paracetamol, and over three months old they can have infant ibuprofen. […] Viruses cause many of the illnesses that babies pick up. Antibiotics won’t treat viruses like a cold, so they won’t be prescribed. […] A high temperature in babies can cause febrile seizures. […] Fever can cause dehydration, and babies and children are more at risk than adults.

• #3 Fever (High Temperature) In Kids – Partners in Pediatrics

  https://www.pipstop.com/educationmaterials/article/7902/fever-and-taking-your-childs-temperature/

  Fever symptoms to watch for in kids: feeling warm, acting differently (they might be fussy or cranky, or quieter than usual), breathing a little faster or have a faster heart rate than normal, having a headache, having chills or sweating, having red or flushed skin. […] If your child is uncomfortable from a fever or not drinking liquids well, you can give one of these medicines: acetaminophen (such as Tylenol or a store brand) or ibuprofen (such as Advil, Motrin, or a store brand). […] Do not give any medicine for fever to infants younger than 3 months old unless instructed to by a doctor. […] Offer plenty of liquids to avoid dehydration because fevers make kids lose fluids faster than usual. […] The temperature that should trigger a call to the doctor depends on a child’s age, the illness, and whether they have other symptoms. […] In general, call the doctor if your child is: younger than 3 months old with a rectal temperature of 100.4F (38C) or higher, 3 months or older with a temperature higher than 102.2F (39C), any age but has a health problem like cancer or sickle cell disease and has a fever.

• #3 Understanding Fever in Children: Causes, Symptoms, and When To Worry

  https://www.drbelknap.com/blog/1131557-understanding-fever-in-children-causes-symptoms-and-when-to-worry

  A fever is a medical symptom that should be taken seriously, especially if it is happening to a newborn baby or child. […] A fever is a heating up of the body that is usually the first indication of a possible illness. Generally, a fever is when the body’s temperature increases to 100.4 degrees Fahrenheit or higher (a normal temperature is 98.6 degrees). A fever is caused by an immune system response in the body. It’s a sign that there may be an infection, virus, or other medical issue that the body is trying to fight off. […] If the child is a newborn and the temperature reaches 100.4, call your doctor immediately to schedule a same-day sick visit.

• #3 When Is a Fever Too High for a Child? Essential Guidelines – BuzzRx Select permission for Location

  https://www.buzzrx.com/blog/when-is-a-fever-too-high-for-a-child

  The following medical conditions can also cause fever in children: Heat stroke, Blood transfusions, Autoimmune diseases, Brain disorders, Certain cancers, Some medications. […] It’s common for children to develop a fever after vaccinations. This is a normal immune response. The child’s fever after vaccination is evidence that their immune system is responding to the vaccine and building immunity.

• #4 Fevers: to Worry, or Not to Worry | Connecticut Children’s

  https://www.connecticutchildrens.org/growing-healthy/fever-worry-or-not

  Fever is caused by an infection, sometimes your child may have a fever with no other symptoms at all. […] High fevers dont cause brain damage or seizures. […] There is no scientific evidence that teething causes fevers. […] Teething hurts the mouth, and when that happens, children suck and chew on their hands and fingers to self-soothe. Then, germs enter and those germs put a virus into your childs body, which causes the fever.

• #4 What to do if your child has a high temperature or fever | NCT

  https://www.nct.org.uk/information/baby-toddler/baby-and-toddler-health/what-do-if-your-child-has-high-temperature-or-fever

  Infections can cause a high temperature or fever in children. […] A temperature of 38C (100.4F) or above is considered high in children. […] If a baby under three months old has a temperature of 38C or over, or a baby between three and six months old has a temperature of 39C (102.2F) or more, call your GP or 111 urgently. […] Mild fevers can be treated at home. […] Babies over two months old can have infant paracetamol, and over three months old they can have infant ibuprofen. […] Viruses cause many of the illnesses that babies pick up. Antibiotics won’t treat viruses like a cold, so they won’t be prescribed. […] A high temperature in babies can cause febrile seizures. […] Fever can cause dehydration, and babies and children are more at risk than adults.

• #5 Fever in babies and children

  https://www.aboutkidshealth.ca/fever

  Fever is usually a sign that the body is fighting an infection. […] Many different infections can cause a fever. To find out what is causing your child’s fever, their health-care provider will look at other signs or symptoms of the illness, not the fever itself. […] Fevers in children are most often caused by a cold or flu. These infections are caused by viruses and the body must fight off the infection. […] Some fevers are from bacterial infections, such as an ear infection, urinary tract infection (UTI) or pneumonia. […] Fever may also be caused by other conditions. […] Some non-infectious illnesses and inflammatory conditions can cause recurrent or persistent fevers. […] Research shows us that teething does not cause real fever.

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