Grypa świńska (h1n1)
Objawy

Grypa świńska (H1N1) to zakaźna choroba układu oddechowego wywołana przez wirus grypy typu A podtypu H1N1, charakteryzująca się objawami podobnymi do grypy sezonowej, lecz z częstszym występowaniem symptomów ze strony przewodu pokarmowego, takich jak nudności, wymioty, biegunka i bóle brzucha. Inkubacja wynosi 1-4 dni, a objawy utrzymują się zwykle 3-7 dni, choć kaszel i zmęczenie mogą trwać do 2 tygodni. Gorączka często przekracza 38°C, a okres zakaźności obejmuje 1 dzień przed i 5-7 dni po wystąpieniu symptomów. U dzieci przebieg może być cięższy, z wysoką gorączką, apatią i częstszymi objawami żołądkowo-jelitowymi. Powikłania obejmują zapalenie płuc (wirusowe i bakteryjne), zaostrzenie chorób przewlekłych układu oddechowego, niewydolność oddechową, zapalenie zatok, ucha środkowego, oskrzeli, odwodnienie oraz rzadko zaburzenia neurologiczne. Objawy alarmowe wymagające pilnej interwencji to m.in. duszność, ból w klatce piersiowej, sinica, drgawki oraz utrzymujące się lub nasilające się objawy grypopodobne.

Objawy grypy świńskiej (H1N1)

Grypa świńska (H1N1) jest chorobą zakaźną układu oddechowego wywoływaną przez wirus grypy typu A podtypu H1N1. Objawy grypy świńskiej są podobne do objawów zwykłej grypy sezonowej, jednak czasami mogą być bardziej nasilone. Zakażenie wirusem H1N1 może powodować zarówno infekcje górnych, jak i dolnych dróg oddechowych.12

Typowe objawy grypy świńskiej

Objawy grypy świńskiej pojawiają się zwykle po 1-4 dniach od zakażenia wirusem i rozwijają się dość szybko. Do najczęściej występujących objawów należą:34

567

W przeciwieństwie do zwykłej grypy sezonowej, w przypadku grypy świńskiej H1N1 częściej obserwuje się objawy ze strony układu pokarmowego, takie jak:89

  • Nudności
  • Wymioty
  • Biegunka
  • Bóle brzucha
  • Utrata apetytu

Przebieg choroby

Przebieg grypy świńskiej różni się w zależności od ogólnego stanu zdrowia pacjenta i może mieć różne nasilenie – od łagodnego do ciężkiego. U większości osób choroba ma charakter samoograniczający się.1011

  • Objawy ostrej, niepowikłanej infekcji utrzymują się zwykle przez 3-7 dni
  • W niektórych przypadkach choroba może trwać dłużej, nawet do 9-10 dni
  • Kaszel i zmęczenie mogą utrzymywać się do 2 tygodni po ustąpieniu innych objawów
  • Okres zakaźności trwa zwykle od jednego dnia przed wystąpieniem objawów do 5-7 dni po ich pojawieniu się

1412

U większości pacjentów (około 90-95%) objawy grypy świńskiej ustępują samoistnie bez powikłań. Leczenie ma zazwyczaj charakter objawowy i polega na odpoczynku, nawodnieniu, przyjmowaniu leków przeciwgorączkowych i przeciwbólowych.1113

Objawy u dzieci

Grypa świńska u dzieci może przebiegać nieco inaczej niż u dorosłych. U dzieci mogą wystąpić następujące objawy:514

  • Wysoka gorączka
  • Silne zmęczenie lub apatia
  • Brak energii
  • Odmowa picia płynów
  • Częstsze występowanie wymiotów i biegunki niż u dorosłych
  • Dzieci mogą być chore mimo braku kaszlu czy bólu gardła

U niemowląt i małych dzieci należy zwrócić szczególną uwagę na:1516

  • Trudności z oddychaniem lub przyspieszony oddech
  • Sinawy lub szary kolor skóry
  • Niepokój lub nadmierna drażliwość
  • Brak interakcji lub trudności z wybudzeniem
  • Niechęć do zabawy lub kontaktu
  • Zmniejszona czujność

Powikłania grypy świńskiej

Mimo że większość przypadków grypy świńskiej ma łagodny przebieg, u niektórych pacjentów mogą wystąpić ciężkie powikłania, szczególnie u osób z grup ryzyka.1718

Najczęstsze powikłania

Do najczęstszych powikłań grypy świńskiej H1N1 należą:1920

  • Zapalenie płuc – zarówno pierwotne wirusowe, jak i wtórne bakteryjne, jest najpoważniejszym powikłaniem grypy świńskiej. Może prowadzić do ciężkiej niewydolności oddechowej
  • Zaostrzenie przewlekłych chorób układu oddechowego, takich jak astma czy POChP
  • Niewydolność oddechowa wymagająca wspomagania oddychania lub wentylacji mechanicznej
  • Zapalenie zatok i zapalenie ucha środkowego
  • Zapalenie oskrzeli
  • Odwodnienie (zwłaszcza w przypadku nasilonych wymiotów i biegunki)
  • Zaburzenia neurologiczne, w tym drgawki i zapalenie mózgu (rzadko)

2122

Oznaki ciężkiego przebiegu choroby

Do objawów alarmowych, które wymagają natychmiastowej pomocy medycznej, należą:238

  • Trudności z oddychaniem lub duszność
  • Ból lub ucisk w klatce piersiowej
  • Utrzymujące się zawroty głowy lub splątanie
  • Ciężkie lub utrzymujące się wymioty
  • Sinawy lub szary kolor skóry lub warg
  • Drgawki
  • Poprawa objawów grypopodobnych, a następnie powrót gorączki i nasilenie kaszlu

2425

U dzieci dodatkowe niepokojące objawy to:526

  • Gorączka z wysypką
  • Brak łaknienia
  • Zmniejszona reakcja na bodźce
  • Nienaturalny kolor skóry
  • Utrzymująca się gorączka przez 3 dni lub dłużej

Grupy ryzyka ciężkiego przebiegu H1N1

Grypa świńska (H1N1) może mieć szczególnie ciężki przebieg u określonych grup pacjentów. Badania wykazały, że niektóre osoby są bardziej narażone na rozwój powikłań i ciężki przebieg choroby.618

Osoby szczególnie narażone

Do grup zwiększonego ryzyka ciężkiego przebiegu grypy świńskiej należą:621

  • Dzieci poniżej 5 roku życia, zwłaszcza niemowlęta
  • Osoby starsze powyżej 65 roku życia
  • Kobiety ciężarne, szczególnie w trzecim trymestrze
  • Osoby z przewlekłymi chorobami układu oddechowego (astma, POChP)
  • Pacjenci z chorobami serca
  • Osoby z cukrzycą
  • Pacjenci z otyłością
  • Osoby z osłabionym układem odpornościowym (np. przyjmujące leki immunosupresyjne lub zakażone HIV)
  • Pacjenci z chorobami neurologicznymi

2728

Badania wskazują, że ponad 70% hospitalizacji w Stanach Zjednoczonych z powodu grypy świńskiej dotyczyło osób z występującymi wcześniej chorobami współistniejącymi.629

Charakterystyka ciężkiego przebiegu

Według Światowej Organizacji Zdrowia (WHO), obraz kliniczny ciężkich przypadków grypy świńskiej różni się od tego obserwowanego podczas epidemii grypy sezonowej.2819

  • Wiele ciężkich przypadków występuje u osób wcześniej zdrowych
  • W ciężkich przypadkach pogorszenie stanu pacjenta następuje zwykle po 3-5 dniach od wystąpienia objawów
  • Pogorszenie jest często gwałtowne, z progresją do niewydolności oddechowej w ciągu 24 godzin, wymagającą natychmiastowego przyjęcia na oddział intensywnej terapii
  • Pierwotne wirusowe zapalenie płuc występuje najczęściej u dorosłych i może szybko prowadzić do ostrego uszkodzenia płuc wymagającego wentylacji mechanicznej

1830

Badanie przeprowadzone w Wielkiej Brytanii dotyczące czynników ryzyka hospitalizacji i złego rokowania w przypadku pandemii grypy A/H1N1 wykazało, że 13% pacjentów wymagało intensywnej opieki medycznej, a 5% zmarło. Zwłaszcza osoby młodsze (w wieku 16 lat) i starsze (w wieku 65 lat) znajdowały się w grupach wysokiego ryzyka.31

Rozpoznanie i leczenie

Rozpoznanie grypy świńskiej H1N1 opiera się głównie na ocenie objawów klinicznych, jednak definitywne potwierdzenie wymaga badań laboratoryjnych.1329

Diagnostyka

Diagnostyka grypy świńskiej H1N1 obejmuje:1229

  • Badanie fizykalne w celu oceny objawów grypy
  • Wywiad dotyczący kontaktu z osobami chorymi
  • Testy laboratoryjne, które mogą definitywnie potwierdzić zakażenie H1N1

W okresie szczytowym pandemii testy były zarezerwowane dla pacjentów z ciężkimi objawami grypy.29 Obecnie diagnoza opiera się przede wszystkim na obrazie klinicznym, a badania laboratoryjne wykonuje się głównie w cięższych przypadkach lub sytuacjach epidemiologicznych.32

Leczenie

Leczenie grypy świńskiej H1N1 obejmuje:1314

  • Leczenie objawowe:
    • Odpoczynek
    • Zwiększone spożycie płynów
    • Leki przeciwgorączkowe i przeciwbólowe (np. paracetamol, niesteroidowe leki przeciwzapalne)
    • Leki przeciwkaszlowe w razie potrzeby
  • Leki przeciwwirusowe:
    • Oseltamiwir (Tamiflu) i zanamiwir (Relenza) są skuteczne w leczeniu grypy świńskiej H1N1
    • Leki te są najbardziej skuteczne, gdy zostają podane w ciągu 48 godzin od wystąpienia objawów
    • Mogą zmniejszyć nasilenie objawów i skrócić czas trwania choroby
    • W ciężkich przypadkach mogą obniżyć ryzyko powikłań

3330

Ciężkie przypadki mogą wymagać hospitalizacji, dożylnego nawodnienia i innych działań wspomagających. Pacjenci z ciężką niewydolnością oddechową mogą potrzebować wspomagania oddychania lub wentylacji mechanicznej.1418

Badania wykazały, że pacjenci z grypą świńską H1N1 i zapaleniem płuc są narażeni na ciężki przebieg, w tym zespół ostrej niewydolności oddechowej (ARDS), sepsę i śmierć. Dlatego ważne jest wczesne i agresywne leczenie antybiotykami oraz lekami przeciwwirusowymi.18

Kiedy szukać pomocy medycznej

Większość osób z grypą świńską H1N1 może być leczona w domu bez konieczności konsultacji lekarskiej. Jednak niektóre sytuacje wymagają natychmiastowej pomocy medycznej:1234

  • Trudności z oddychaniem lub duszność
  • Ból lub ucisk w klatce piersiowej lub brzuchu
  • Nagłe zawroty głowy
  • Dezorientacja
  • Ciężkie lub utrzymujące się wymioty
  • Objawy grypopodobne, które ustępują, a następnie powracają z gorączką i nasilonym kaszlem
  • Gorączka z wysypką (szczególnie u dzieci)

2325

Osoby z grup ryzyka (w tym kobiety w ciąży, dzieci poniżej 5 lat, osoby starsze oraz osoby z chorobami przewlekłymi) powinny skontaktować się z lekarzem przy pierwszych objawach grypy, ponieważ mogą odnieść korzyść z wczesnego rozpoczęcia leczenia przeciwwirusowego.3515

Kolejne rozdziały

Zapraszamy do dalszego czytania naszego leksykonu.

Wybierz kolejny rozdział z menu poniżej, aby otworzyć nową podstronę kompedium wiedzy i uzyskać szczegółowe informację o leku, substancji lub chorobie.

  1. 13.04.2026
  2. www.leksykon.com.pl

Materiały źródłowe

  • #1 H1N1 Influenza – StatPearls – NCBI Bookshelf
    https://www.ncbi.nlm.nih.gov/books/NBK513241/
    H1N1 influenza, a subtype of influenza A virus, is an infectious viral illness that causes both upper and, in some cases, lower respiratory tract infections in its host. H1N1 influenza infections can cause symptoms such as rhinorrhea, rigors, myalgia, headache, fever, chills, loss of appetite, and, possibly, lower respiratory tract disease and gastrointestinal disease. Rarely, H1N1 influenza can lead to acute respiratory distress syndrome and secondary bacterial sepsis. […] H1N1 influenza leads to a respiratory disease that can infect pigs’ respiratory tract. Humans susceptible to swine influenza are typically exposed through close association with infected pigs, a condition known as zoonotic „swine flu.” […] The acute symptoms of uncomplicated infections persist for 3 days but can range from 1 to 11 days. The disease is mostly self-limited in healthy individuals, but malaise and cough can persist for up to 2 weeks in some patients.
  • #2 H1N1 influenza (Swine flu) – UF Health
    https://ufhealth.org/conditions-and-treatments/h1n1-influenza-swine-flu
    The H1N1 virus (swine flu) is an infection of the nose, throat, and lungs. It is caused by the H1N1 influenza virus. […] Symptoms, diagnosis, and treatment of H1N1 influenza are similar to that for the flu in general.
  • #3 H1N1 flu (swine flu) | Altru Health System
    https://www.altru.org/health-library/conditions/h1n1-flu-swine-flu
    The symptoms of flu caused by H1N1, commonly called the swine flu, are similar to those of other flu viruses. […] Symptoms usually start quickly and can include: Fever, but not always. Aching muscles. Chills and sweats. Cough. Sore throat. Runny or stuffy nose. Watery, red eyes. Eye pain. Body aches. Headache. Tiredness and weakness. Diarrhea. Feeling sick to the stomach, vomiting, but this is more common in children than adults. […] Flu symptoms develop about 1 to 4 days after you’re exposed to the virus.
  • #4 Swine Flu (H1N1): What Is It, Causes, Treatments & Prevention
    https://my.clevelandclinic.org/health/diseases/23928-swine-flu-h1n1
    Swine flu (H1N1) is a type of viral infection. Its called swine flu because it resembles a respiratory infection that pigs can get. The symptoms of swine flu (H1N1) are similar to the symptoms of regular flu. The symptoms may start three to five days after exposure to the virus. Symptoms may include: Fever. Chills. Cough. Sore throat. Body or muscle aches. Headache. Fatigue. […] Symptoms in babies and children may be different. If your baby or child has any of the following symptoms, call their healthcare provider right away: Trouble breathing. Trouble waking up. Not drinking enough fluids. Fever with rash. Confusion. […] Most people can fight off swine flu (H1N1) on their own. The symptoms of H1N1 are similar to those of regular flu. On average, symptoms last about eight days. Call your healthcare provider if your symptoms last longer or worsen. Theyll let you know if you should come into the office. […] Swine flu (H1N1) once caused a serious worldwide pandemic. The virus is under control today, but people can and do still get very sick from H1N1. If you do get sick, make sure to get plenty of rest, drink fluids and call your healthcare provider if symptoms worsen.
  • #5 H1N1 in Children | UVA Health Children’s
    https://childrens.uvahealth.com/services/pediatric-infectious-diseases/h1n1-swine-flu
    H1N1 flu (originally called swine flu) is a respiratory infection that can cause mild to severe symptoms. […] H1N1 in children may cause: Fever and chills, Sore throat, Cough, Severe muscle aches, Severe fatigue, Headache, Runny nose, nasal congestion, Sneezing, Watery eyes, Gastrointestinal symptoms (nausea, diarrhea, vomiting). […] If H1N1 flu becomes severe, it can cause pneumonia. Contact your child’s doctor if symptoms worsen. […] Emergency warning signs in children include: Fast breathing or trouble breathing, Blue or gray skin color, Not drinking enough fluids, Severe vomiting or vomiting that does not stop, Difficulty waking up, Being too irritable to be held, Little or no desire to play or interact, Lack of alertness, Flu-like symptoms get better then come back with fever and worse cough, Fever with a rash.
  • #6 2009 swine flu pandemic – Wikipedia
    https://en.wikipedia.org/wiki/2009_swine_flu_pandemic
    The symptoms of H1N1 flu are similar to those of other influenzas, and may include fever, cough (typically a „dry cough”), headache, dizziness, sneezing, muscle or joint pain, sore throat, chills, fatigue, and runny nose. Diarrhea, vomiting, and neurological problems have also been reported in some cases. […] People at higher risk of serious complications include people over 65, children younger than 5, children with neurodevelopmental conditions, pregnant women (especially during the third trimester), and people of any age with underlying medical conditions, such as asthma, diabetes, obesity, heart disease, or a weakened immune system (e.g., taking immunosuppressive medications or infected with HIV). More than 70% of hospitalizations in the U.S. have been people with such underlying conditions, according to the CDC.
  • #7 H1N1 Flu Virus (Swine Flu): Symptoms, Causes, Tests, and Treatments
    https://www.webmd.com/cold-and-flu/h1n1-flu-virus-swine-flu
    H1N1 flu is also known as swine flu. […] Swine Flu Symptoms […] These, too, are pretty much the same as seasonal flu. They can include: Cough, Fever, Sore throat, Stuffy or runny nose, Body aches, Headache, Chills, Fatigue. […] Like the regular flu, swine flu can lead to more serious problems including pneumonia, a lung infection, and other breathing problems. And it can make an illness like diabetes or asthma worse. If you have symptoms like shortness of breath, severe vomiting, pain in your belly or sides, dizziness, or confusion, call your doctor or 911 right away.
  • #8 Swine Flu (H1N1): Symptoms, Causes and Treatment | Max Hospital
    https://www.maxhealthcare.in/blogs/swine-flu-symptoms-causes-and-treatment
    H1N1 flu symptoms are similar to those of regular seasonal flu, but they can sometimes be more severe. The most common symptoms include: Fever and chills, Cough and sore throat, Body aches and fatigue, Headache, Runny or stuffy nose. […] In some cases, people may also experience: Nausea or vomiting, Diarrhoea. […] Severe symptoms that require immediate medical attention include: Difficulty breathing or shortness of breath, Chest pain or pressure, Persistent dizziness or confusion, Severe or ongoing vomiting, Bluish skin or lips. […] If any of these severe symptoms occur, it’s important to seek medical help right away. Recognising the signs early can make a big difference in managing the illness effectively.
  • #9 Swine Flu (H1N!): Pandemic, Vaccine, Causes, Symptoms, Treatment & Contagious
    https://www.medicinenet.com/swine_flu/article.htm
    Swine flu is a respiratory disease caused by influenza viruses that infect the respiratory tract of pigs and result in a barking cough, decreased appetite, nasal secretions, and listless behavior; the virus can be transmitted to humans. […] Symptoms of swine flu in humans are similar to most influenza infections: fever (100 F or greater), cough, nasal secretions, fatigue, and headache. […] The incubation period for the disease is about one to four days. […] Swine flu is contagious about one day before symptoms develop to about five to seven days after symptoms develop; some patients may be contagious for a longer time span. […] The disease lasts about three to seven days with more serious infections lasting about nine to 10 days. […] Symptoms of swine flu are similar to most influenza infections: fever (100 F or greater), cough (usually dry), nasal secretions, fatigue, and headache, with fatigue being reported in most infected individuals.
  • #10 H1N1 (Swine) – The Pediatric Clinic
    https://www.thepediatric.com/resources/helpful-articles/h1n1-swine
    The main symptoms of H1N1 flu are similar to the symptoms of seasonal flu. They include: fever of 100 F (37.8 C) or higher, cough, sore throat. […] Some people might also have: runny or stuffy nose, body aches, headache, chills, tiredness. […] Children may have diarrhea or vomiting. About half of the people with the flu do not have a fever. Babies and young children may have fever and no energy. They may be sick even though they do not have a cough or sore throat. […] Flu symptoms usually last 3 to 7 days. […] The illness caused by the H1N1 virus is usually mild. However, some children become very sick. The virus has caused some deaths. H1N1 may be more severe in very young children or children with chronic medical conditions.
  • #11 Swine Flu (H1N!): Pandemic, Vaccine, Causes, Symptoms, Treatment & Contagious
    https://www.medicinenet.com/swine_flu/article.htm
    Some patients may also get a sore throat, rash, body (muscle) aches or pains, headaches, chills, nausea, vomiting, and diarrhea. […] The incubation period from exposure to first symptoms is about one to four days, with an average of two days. The symptoms last about one to two weeks and can last longer if the person has a severe infection. […] Some patients develop severe respiratory symptoms, such as shortness of breath, and need respiratory support (such as a ventilator to breathe for the patient). […] Pneumonia (viral and secondary bacterial pneumonia) is the most serious complication of the flu as it can cause death. Other complications include sinus and ear infections, asthma exacerbations, and/or bronchitis. […] In general, the majority (about 90%-95%) of people who get the disease feel terrible but recover with no problems.
  • #12 Swine Influenza(a H1n1) | Official Website of Department of Health & Family Welfare, Government of Puducherry, India.
    https://health.py.gov.in/swine-influenzaa-h1n1
    The symptoms of swine flu in people are similar to the symptoms of regular human flu and include fever, cough, sore throat, body aches, headache, chills and fatigue. Some people have reported diarrhea and vomiting associated with swine flu. […] In the past, severe illness (pneumonia and respiratory failure) and deaths have been reported with swine flu infection in people. Like seasonal flu, swine flu may cause a worsening of underlying chronic medical conditions. […] People with swine influenza virus infection should be considered potentially contagious as long as they are symptomatic and possible for up to 7 days following illness onset. […] If you live in areas where swine influenza cases have been identified and become ill with influenza-like symptoms, including fever, body aches, runny nose, sore throat, nausea, or vomiting or diarrhea, you may want to contact their health care provider, particularly if you are worried about your symptoms. Your health care provider will determine whether influenza testing or treatment is needed.
  • #13 H1N1 flu (swine flu) – Diagnosis and treatment – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/swine-flu/diagnosis-treatment/drc-20378106
    Your health care provider may do a physical exam to look for symptoms of influenza, including H1N1 flu, often called swine flu. […] Most people with flu, including H1N1 flu, need only symptom relief. Supportive care such as drinking liquids, taking pain relievers for fever and headache, and resting may be helpful. […] Health care providers may prescribe antiviral drugs within the first day or two of symptoms. They can reduce the severity of symptoms and may lower the risk of complications.
  • #14 H1N1 Influenza (Swine Flu): Practice Essentials, Background, Epidemiology
    https://emedicine.medscape.com/article/1807048-overview
    Manifestations of H1N1 influenza are similar to those of seasonal influenza. Patients present with symptoms of acute respiratory illness, including at least two of the following: Fever, Cough, Sore throat, Body aches, Headache, Chills and fatigue, Diarrhea and vomiting (possible). […] In children, signs of severe disease include apnea, tachypnea, dyspnea, cyanosis, dehydration, altered mental status, and extreme irritability. […] Treatment largely is supportive and consists of bedrest, increased fluid consumption, cough suppressants, and antipyretics and analgesics (eg, acetaminophen, nonsteroidal anti-inflammatory drugs) for fever and myalgias. Severe cases may require intravenous hydration and other supportive measures. Antiviral agents may also be considered for treatment or prophylaxis.
  • #15 H1N1 Influenza – familydoctor.org
    https://familydoctor.org/condition/h1n1-influenza/
    H1N1 influenza is a viral infection. It’s not the same as seasonal flu (influenza). The first outbreak occurred in 2009 and infected people all over the world. It was called swine flu early on because tests showed it was like flu viruses that occur in swine (pigs). […] Symptoms start 3 to 5 days after exposure to the virus. On average, they last about 8 days. Common symptoms include: fever, sore throat, cough, muscle aches, headache, chills, fatigue, runny or stuffy nose, vomiting, diarrhea. […] These symptoms are similar to those with any viral infection. However, call your doctor if your symptoms aren’t improving. H1N1 is a rare cause of these symptoms. Your doctor will tell you if you need an office visit to see if you have the virus. […] Babies and children may have different symptoms. Trouble breathing. Fever combined with a rash. Confusion or impatience. Trouble waking up. Not drinking enough fluids. Flu-like symptoms that go away and then return with a fever and cough. […] Call your doctor right away if your baby or child has any of these symptoms.
  • #16 Swine Flu (H1N1) Explained: Symptoms, Treatment, and Prevention
    https://www.artemishospitals.com/blog/swine-flu-h1n1-explained-symptoms-treatment-and-prevention
    These are widespread pains that affect the body, particularly the muscles and joints, contributing to the overall discomfort caused by the virus. […] Severe headaches can occur with swine flu, often accompanied by sensitivity to light and sound, and can significantly impact daily activities. […] Extreme tiredness or weakness is frequent, making it difficult for those infected to carry out normal activities, often lasting several days or longer. […] Swine flu in infants and children can be more severe. If your baby or child exhibits any of these symptoms, it’s essential to seek immediate medical attention. Watch for the following symptoms of swine flu, especially in babies: […] Babies and children with swine flu may experience difficulty breathing or shortness of breath, signaling that the infection is affecting their respiratory system and requires immediate medical attention.
  • #17 Swine Flu Diagnosis & Treatment in Delhi, India | Symptoms & Causes
    https://www.blkmaxhospital.com/our-specialities/internal-medicine/conditions-treatments/swine-flu
    Common symptoms include fever, cough, sore throat, body aches, headache, chills, fatigue, and sometimes vomiting and diarrhea. […] It is important to note that not everyone with swine flu will experience all these symptoms. […] Antiviral drugs are commonly prescribed to treat swine flu. […] The most commonly used antiviral drugs for swine flu include oseltamivir (Tamiflu) and zanamivir (Relenza). […] Early diagnosis and initiation of treatment of swine flu are crucial in managing swine flu effectively. […] If one experiences symptoms such as high fever, cough, sore throat, body aches, fatigue, or difficulty breathing, it’s essential to seek medical attention promptly. […] Swine flu can lead to pneumonia, a serious infection that affects the lungs. […] In severe cases of swine flu, respiratory failure can occur. […] Swine flu weakens the immune system, making individuals more susceptible to secondary bacterial infections. […] In rare cases, swine flu can lead to neurological complications such as seizures or encephalitis (inflammation of the brain).
  • #18 H1N1 Influenza (Swine Flu): Practice Essentials, Background, Epidemiology
    https://emedicine.medscape.com/article/1807048-overview
    A review of medical records from the 2009 US pandemic found hospitalized patients with pandemic H1N1 and pneumonia were at risk for severe outcomes including ARDS, sepsis, and death. However, patients often received delayed antiviral treatment (2 days after illness onset). Patients with H1N1 and pneumonia should receive early and aggressive treatment with antibiotics and influenza antiviral agents. […] In a multicenter study in Britain consisting of over 1500 patients, independent predictors of severe outcome included age 55 to 64 years, certain chronic lung diseases, underlying neurological disease, obesity, delayed admission (5 days after illness onset), pneumonia, and others.
  • #19 H1N1 influenza | EBSCO Research Starters
    https://www.ebsco.com/research-starters/consumer-health/h1n1-influenza
    H1N1 influenza, also known as swine flu, is an acute respiratory infection caused by the H1N1 subtype of the influenza A virus. Symptoms typically include fever, cough, sore throat, and muscle aches, with severe cases potentially resulting in respiratory failure or death. […] SYMPTOMS: Fever, cough, sore throat, headache, aching muscles, burning eyes, sometimes diarrhea or vomiting; in severe cases, respiratory failure from pneumonia, shock, organ failure. […] The most common symptoms have been fever, cough, and sore throat, but 25 percent of patients have had or vomiting, which are unusual symptoms for influenza. […] The severity of illness can vary widely from that of a self-limited mild illness to severe disease requiring admission to a hospital unit. Individuals that develop severe illness usually show rapid deterioration between day three and five. Respiratory failure from pneumonia, shock, and failure of other organs may follow.
  • #20 H1N1 Influenza (Nursing) – StatPearls – NCBI Bookshelf
    https://www.ncbi.nlm.nih.gov/sites/books/n/statpearls/nurse-article-22472/
    H1N1 Swine flu is a subtype of influenza A virus (a communicable viral disease), which causes upper, and potentially, lower respiratory tract infections in the host it infects, resulting in symptoms such as nasal secretions, chills, fever, decreased appetite, and possibly lower respiratory tract disease. […] According to the CDC, the signs and symptoms in humans infected with the 2009 H1N1 swine flu were similar to those of influenza. These include a fever and chills, cough, sore throat, congested eyes, myalgia, shortness of breath, weight loss, chills, sneezing, headache, rhinorrhea, coughing, dizziness, abdominal pain, decreased appetite, and fatigue. […] Respiratory failure was the most common cause of death in severe cases. Other causes included high fever (causing neurological problems), pneumonia (causing sepsis), dehydration and severe hypotension (from vomiting and diarrhea), electrolyte imbalance associated complications, and kidney failure. More severe cases and fatalities were more likely observed in children younger than 5 years of age and elderly patients older than 60 years.
  • #21 Swine Flu (H1N1, H3N2v) Symptoms, Vaccine, Treatment, Contagious
    https://www.emedicinehealth.com/swine_flu/article_em.htm
    Swine flu, both H1N1 and H3N2v, causes respiratory infection. The CDC recommends that swine influenza be considered in people who have a fever and respiratory symptoms, especially cough or a sore throat. People may also have fatigue, chills, headache, or body aches. Nausea, vomiting, or diarrhea has also occurred in people with swine flu. Very young children may not complain of fever or cough but rather have listlessness or shortness of breath as their main symptom. […] Although the infection is usually mild, some people with swine flu have experienced serious respiratory illness, including pneumonia or respiratory failure leading to death. Pregnant women are at high risk for severe disease. Of concern, most deaths early in the pandemic occurred in adults under age 65, including people under age 25. This was the opposite of what happens in a normal influenza season when most deaths occur in the elderly.
  • #22 Swine influenza – Wikipedia
    https://en.wikipedia.org/wiki/Swine_influenza
    Swine influenza is an infection caused by any of several types of swine influenza viruses. Symptoms of zoonotic swine flu in humans are similar to those of influenza and influenza-like illness and include chills, fever, sore throat, muscle pains, severe headache, coughing, weakness, shortness of breath, and general discomfort. […] According to the United States Centers for Disease Control and Prevention (CDC), in humans the symptoms of the 2009 „swine flu” H1N1 virus are similar to influenza and influenza-like illness. Symptoms include fever, cough, sore throat, watery eyes, body aches, shortness of breath, headache, weight loss, chills, sneezing, runny nose, coughing, dizziness, abdominal pain, lack of appetite, and fatigue. […] The most common cause of death is respiratory failure. Other causes of death are pneumonia (leading to sepsis), high fever (leading to neurological problems), dehydration (from excessive vomiting and diarrhea), electrolyte imbalance and kidney failure. Fatalities are more likely in young children and the elderly.
  • #23 Information on H1N1 (Swine Flu) | Yeditepe Üniversitesi Hastanesi
    https://yeditepehastaneleri.com/en/health-guide/diseases-treatments/information-h1n1-swine-flu
    Fever […] Coughing […] Sore throat […] Runny or congested nose […] Body aches […] Headache […] Trembling […] Fatigue […] Diarrhea or vomiting […] The 2009 H1N1 virus shows mild symptoms in most people, requiring no medical or antiviral treatment other than antipyretics […] It is also possible to see serious symptoms in healthy people. When the following symptoms are seen in people who have the flu, it is absolutely necessary to consult the health institution. […] Fast and challenging breathing […] Bluish color of the skin […] Not being able to breathe enough […] Fatigue […] Restlessness, aggression, and behavior change […] Increased symptoms […] Rashes with fever […] Difficulty breathing or shortness of breath […] Pain or pressure in the chest and abdomen […] Dizziness […] Dizziness and drowsiness […] Severe and persistent vomiting
  • #24 Influenza Type A and H1N1 Information – Western Colorado University
    https://western.edu/student-life/student-affairs/absences/influenza-type-a-and-h1n1-information/
    In certain instances, the symptoms above may occur in conjunction with other symptoms. This can be indicative of a more severe illness that may require medical attention. […] Seek medical care if you experience: Bluish or grayish skin color, Severe or persistent vomiting, Confusion, Chest pains, Shortness of breath, Dehydration, Or any other concerning symptoms. […] Most flu cases do not require medical attention unless you have an underlying health condition that may cause complications, are pregnant or if the symptoms are severe.
  • #25 Symptoms of Novel Influenza A (H1N1) 'Swine’ Flu
    https://www.bankinfosecurity.com/logout?redirectTo=https://www.bankinfosecurity.com/symptoms-novel-influenza-h1n1-swine-flu-a-1672
    The symptoms of this pandemic influenza A (H1N1) flu virus „Swine Flu” in people are similar to the symptoms of seasonal flu and include: Fever Cough Sore throat Runny or stuffy nose Body aches Headache Chills Fatigue […] A significant number of people who have been infected with this virus also have reported diarrhea and vomiting. Also, as with seasonal flu, severe illnesses and death have occurred as a result of illness associated with this virus. […] In children, emergency warning signs that need urgent medical attention include: Fast breathing or trouble breathing Bluish or gray skin color Not drinking enough fluids Severe or persistent vomiting Not waking up or not interacting Being so irritable that the child does not want to be held Flu-like symptoms improve, but then return with fever and worse cough […] In adults, emergency warning signs that need urgent medical attention include: Difficulty breathing or shortness of breath Pain or pressure in the chest or abdomen Sudden dizziness Confusion Severe or persistent vomiting Flu-like symptoms improve but then return with fever and worse cough.
  • #26 Differences Between H1N1/09 Influenza (Swine Flu) and Seasonal Flu | Aichi Prefectural Government Official Site
    https://www.pref.aichi.jp/global/en/living/medical/influenza.html
    Children Quick breathing or difficulty breathing Unnatural complexion (ashen or pale) Persistent vomiting or diarrhea Inability to calm down; lethargy; dull responses Persistent symptoms that steadily worsen Adults Difficulty breathing or shortness of breath Persistent chest pain Persistent vomiting or diarrhea Fever that lasts for 3 days or longer Persistent symptoms that steadily worsen.
  • #27 Swine Flu (H1N1) vs. Seasonal Flu: Common Cold Symptoms, Fever & Treatment | Max Hospital
    https://www.maxhealthcare.in/blogs/swine-flu-vs-seasonal-flu
    Flu season is a time of year, when many people are affected by flu, showing symptoms such as cough and fever. […] The symptoms are similar to seasonal flu and include: […] Most cases of H1N1 swine flu are mild, but in some instances, it can lead to severe complications, such as pneumonia or respiratory failure. […] The symptoms are similar to seasonal flu and include: Fever and chills, Cough and sore throat, Runny or stuffy nose, Body aches and fatigue, Headache, Vomiting and diarrhoea (more common in H1N1 than in seasonal flu). […] Most people recover from both H1N1 and seasonal flu within 7 to 10 days, but fatigue and weakness can last longer. H1N1 may cause more severe symptoms in some individuals, leading to a slightly longer recovery period, especially if complications like pneumonia occur. […] Children, especially those under 5 years old, are at higher risk of complications from both H1N1 and seasonal flu. However, H1N1 has been known to affect younger, healthier individuals more severely than typical seasonal flu strains.
  • #28 2009 swine flu pandemic – Wikipedia
    https://en.wikipedia.org/wiki/2009_swine_flu_pandemic
    In September 2009, the CDC reported that the H1N1 flu „seems to be taking a heavier toll among chronically ill children than the seasonal flu usually does”. […] The World Health Organization reports that the clinical picture in severe cases is strikingly different from the disease pattern seen during epidemics of seasonal influenza. While people with certain underlying medical conditions are known to be at increased risk, many severe cases occur in previously healthy people. In severe cases, patients generally begin to deteriorate around three to five days after symptom onset. Deterioration is rapid, with many patients progressing to respiratory failure within 24 hours, requiring immediate admission to an intensive care unit. […] Most complications have occurred among previously unhealthy individuals, with obesity and respiratory disease as the strongest risk factors. Pulmonary complications are common. Primary influenza pneumonia occurs most commonly in adults and may progress rapidly to acute lung injury requiring mechanical ventilation.
  • #29 Swine Flu Symptoms – What Is Swine Flu – H1N1 Influenza A – Swine Flu Treatment
    https://www.webmd.com/cold-and-flu/features/swine-flu-faq-1
    Symptoms of H1N1 swine flu are like regular flu symptoms and include fever, cough, sore throat, runny nose, body aches, headache, chills, and fatigue. Many people with swine flu have had diarrhea and vomiting. But these symptoms can also be caused by many other conditions. […] Only lab tests can definitively show whether you’ve got swine flu. State health departments can do these tests. During the peak of the pandemic, these tests were reserved for patients with severe flu symptoms. […] Most U.S. cases of H1N1 swine flu have been in children and young adults. It’s not clear whether this will change as the 2009 H1N1 pandemic wanes and the virus becomes a seasonal flu bug. […] A striking number of adults who developed severe swine flu complications have been morbidly obese. […] The new H1N1 swine flu virus apparently spreads just like regular flu. You could pick up germs directly from airborne droplets from the cough or sneeze of an infected person.
  • #30 Swine Flu Symptoms – What Is Swine Flu – H1N1 Influenza A – Swine Flu Treatment
    https://www.webmd.com/cold-and-flu/features/swine-flu-faq-1
    Pandemic H1N1 swine flu virus is sensitive to the antiviral drugs Tamiflu and Relenza. These antiviral drugs are most effective when taken within 48 hours of the start of flu symptoms. […] The severity of cases in the current swine flu outbreak has varied widely, from mild cases to fatalities. Most U.S. cases have been mild, but there have been a number of tragic deaths and hundreds of hospitalizations — mostly in young people aged 5 to 24. Pregnant women have been particularly vulnerable to severe flu and death. […] Like seasonal flu, children who get swine flu can have serious neurological complications such as seizures and Reye’s syndrome. But as with seasonal flu, these complications fortunately are rare. […] Studies of the swine flu virus show that it is more infectious to lung cells than are seasonal flu viruses. But studies also suggest that the swine flu virus is less well adapted to humans and may be harder to inhale deep into the lungs.
  • #31 2009 swine flu pandemic – Wikipedia
    https://en.wikipedia.org/wiki/2009_swine_flu_pandemic
    A United Kingdom investigation of risk factors for hospitalisation and poor outcome with pandemic A/H1N1 influenza looked at 631 patients from 55 hospitals admitted with confirmed infection from May through September 2009. 13% were admitted to a high dependency or intensive care unit and 5% died; 36% were aged 16 years and 5% were aged 65 years.
  • #32 Swine Flu: Risk Factors, Causes & Symptoms
    https://www.healthline.com/health/swine-flu
    Swine flu, also known as the H1N1 virus, is a relatively new strain of an influenza virus that causes symptoms similar to the regular flu. […] The symptoms of swine flu are very much like those of regular influenza. They include: chills, fever, coughing, sore throat, runny or stuffy nose, body aches, fatigue, diarrhea, nausea and vomiting. […] Most cases of swine flu don’t require medication for treatment. You don’t need to see a doctor unless you’re at risk for developing medical complications from the flu. […] Severe cases of swine flu can be fatal. Most fatal cases occur in those with underlying chronic medical conditions, such as HIV or AIDS. The majority of people with swine flu recover and can anticipate a normal life expectancy.
  • #33 All About Swine Flu: Symptoms, Prevention & Treatment Explained
    https://mindthegraph.com/blog/swine-flu/
    Antiviral medications can be effective in treating swine flu, especially when administered early in the course of the illness. The primary antiviral medications prescribed for swine flu are: Oseltamivir (Tamiflu): This medication helps reduce the severity and duration of flu symptoms by inhibiting the virus’s ability to replicate. Zanamivir (Relenza): This inhaled medication works similarly to oseltamivir by preventing the virus from spreading in the respiratory tract. These antiviral drugs are most effective when taken within the first 48 hours of symptom onset.
  • #34 H1N1 Flu and Seasonal Flu: Differences and Similarities
    https://www.health.ny.gov/publications/7227/
    Flu symptoms include fever, cough, runny nose, sore throat, body aches, headache, chills and fatigue. With H1N1 flu sometimes there is diarrhea and vomiting. […] If you get these symptoms, stay home and limit contact with others until at least 24 hours after your fever has gone without the use of medicine. Most people can recover from flu at home with no need for medical treatment. However, if you are at high risk for complications of flu, contact your doctor.
  • #35 Swine flu – influenza A (H1N1) – myDr.com.au
    https://mydr.com.au/respiratory-health/swine-flu-influenza-a-h1n1/
    The symptoms of swine flu are very similar to those of the human flu that we are familiar with each winter. These swine flu symptoms include: fever; cough; body aches and pains; fatigue; chills; headache; runny nose; sore throat; and respiratory distress (trouble breathing). Some people have reported diarrhoea and vomiting in association with swine flu. […] Generally, pandemic H1N1 influenza is mild. Most people will be able to care for themselves at home and will not need to see a doctor. However, if you have flu-like symptoms and they are becoming worse, you should seek medical advice. Treatment is available but it needs to be given early in the disease. It is especially important to get medical advice at the first signs of severe illness in pregnant women, children, and in people who have chronic medical conditions.