Materiały źródłowe

• #1 Shellfish – FoodAllergy.org

  https://www.foodallergy.org/living-food-allergies/food-allergy-essentials/common-allergens/shellfish

  Shellfish allergies are the most common food allergies in adults and among the most common food allergies in children. Approximately 2% of the U.S. population reports an allergy to shellfish. Shellfish allergies are usually lifelong. […] Shellfish can cause severe and potentially life-threatening allergic reactions (such as anaphylaxis). Allergic reactions can be unpredictable, and even very small amounts of shellfish can cause one. […] If you have a shellfish allergy, keep an epinephrine delivery device with you at all times. Epinephrine is the first-line treatment for anaphylaxis. […] To prevent a reaction, it is very important to avoid all shellfish and shellfish products. Always read food labels and ask questions about ingredients before eating a food that you have not prepared yourself.

• #1 Shellfish Allergy | Pediatric Health Library | CHKD

  https://www.chkd.org/patient-family-resources/health-library/shellfish-allergy/

  An estimated 2.3% of Americans, thats nearly 7 million people, are allergic to seafood, including fish and shellfish. Shellfish are marine animals with shells. Shrimp, crab, and lobster cause most shellfish allergies. […] Allergy to shellfish is considered lifelong; once a person develops the allergy, it is unlikely that they will lose it. […] To avoid a reaction, strict avoidance of seafood and seafood products is essential. Always read ingredient labels to identify shellfish ingredients. In addition, avoid touching shellfish, going to the fish market, and being in an area where shellfish are being cooked (the protein in the steam may present a risk). […] Many people who are allergic to shellfish are allergic to more than one kind. Talk to your doctor so that you know for sure what foods to avoid. […] Remember, shellfish avoidance and maintaining auto-injectable epinephrine are the only ways to treat an allergy. Taking an antihistamine before eating a food is not going to prevent an allergic reaction. Use caution and play it smart.

• #1 Shellfish allergy – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/shellfish-allergy/symptoms-causes/syc-20377503

  Shellfish allergy is an atypical response by the body’s immune system to proteins in certain marine animals. Shellfish is a common food allergy. Some people with shellfish allergy react to all shellfish, while others react to only certain kinds. Reactions range from mild symptoms such as hives or a stuffy nose to severe and even life-threatening. […] An anaphylactic reaction to shellfish is a medical emergency. Anaphylaxis requires immediate treatment with an epinephrine (adrenaline) injection and a follow-up trip to the emergency room. If anaphylaxis isn’t treated right away, it can be fatal. […] Anaphylaxis is treated with an emergency injection of epinephrine (adrenaline). If you are at risk of having a severe allergic reaction to shellfish, you always should carry injectable epinephrine (Auvi-Q, EpiPen, others).

• #1 Shellfish – FoodAllergy.org

  https://www.foodallergy.org/living-food-allergies/food-allergy-essentials/common-allergens/shellfish

  Your doctor may advise you to avoid mollusks or these ingredients: Abalone, Clams (cherrystone, geoduck, littleneck, pismo, quahog), Cockle, Cuttlefish, Limpet (lapas, opihi), Mussels, Octopus, Oysters, Periwinkle, Sea cucumber, Sea urchin, Scallops, Snails (escargot), Squid (calamari), Whelk (Turban shell). […] The major allergen in shellfish is a muscle protein called tropomyosin and this is what is responsible for causing the allergic reaction.

• #1 Shellfish – FoodAllergy.org

  https://www.foodallergy.org/living-food-allergies/food-allergy-essentials/common-allergens/shellfish

  Most people who are allergic to one group of shellfish are allergic to other types. Your allergist will usually recommend you avoid all kinds of shellfish. […] Steer clear of seafood restaurants, where there is a high risk of food cross-contact. You should also avoid touching shellfish and going to fish markets. Being in any area where shellfish are being cooked can put you at risk, as shellfish protein could be in the steam. […] Crustacean shellfish are one of the eight major allergens that must be listed in plain language on packaged foods sold in the U.S., as required by federal law, either within the ingredient list or in a separate Contains statement on the package. […] Avoid foods that contain shellfish or any of these ingredients: Barnacle, Crab, Crawfish (crawdad, crayfish, ecrevisse), Krill, Lobster (langouste, langoustine, Moreton bay bugs, scampi, tomalley), Prawns, Shrimp (crevette, scampi).

• #1 Shellfish Allergy Overview from Doctor Mehta in New Orleans, LA

  https://uptownallergyasthma.com/shellfish-allergy/

  Suspicious of Shellfish Allergies? We Can Help […] A shellfish allergy is a type of seafood allergy. It occurs when the body produces an immunological response to tropomyosin and other muscle proteins found in shellfish. […] Shellfish allergy is an immunoglobulin E (IgE) antibody-mediated allergy. This means that when you ingest shellfish, your immune system overreacts by producing IgE antibodies which bind to mast cells. […] Shellfish allergy that is IgE-mediated can cause a variety of symptoms which usually appear within minutes to an hour of ingestion. Shellfish allergy symptoms include: Urticaria (hives), an itchy skin rash of raised red spots, Angioedema, or swelling under the skin, Anaphylaxis, which is when multiple body systems produce a significant immune response causing a rapid drop in blood pressure and possible circulatory shock that is life-threatening, GI symptoms such as nausea, vomiting, cramping, and diarrhea, Lightheadedness and fainting.

• #1 Seafood and Shellfish Allergies / Marque Urgent Care

  https://marquemedical.com/seafood-and-shellfish-allergies-by-daniel-jo/

  There are two known proteins that cause seafood allergies, parvalbumins in fish and tropomyosins in shellfish. Symptoms of a shellfish allergy can take some time to set in, but most develop within minutes. Some symptoms include: itching, hives, swelling of the face, lips, tongue, tingling in the mouth and trouble breathing. […] Doctors will most likely recommend you carry an epinephrine pen (EpiPen, Auvi-Q) for self-administration in case you accidentally ingest any. Epinephrine (adrenaline) is the first-line treatment for anaphylactic shock. […] Seafood allergies are not to be taken lightly; its best to use caution than risk having a fatal reaction. Remember, an allergy to shellfish may develop any time during a persons life and it can be caused by foods that youve eaten before. Listen to your body and know when to see a doctor.

• #1 Shellfish Allergies: Symptoms and Treatments

  https://www.healthline.com/health/allergies/shellfish

  A shellfish allergy is different from other allergies in other ways, as well. For example, allergic reactions to shellfish are unpredictable, sometimes occurring long after a person has consumed the allergen and has shown no other symptoms. Allergic reactions to shellfish also often become more severe with each exposure. […] Many doctors also recommend that people with shellfish allergies carry epinephrine (EpiPen, Auvi-Q, or Adrenaclick) for self-administration in case you accidentally ingest any. Epinephrine (adrenalin) is the first-line treatment for anaphylaxis. […] Most doctors agree that someone who has both a shellfish allergy and asthma should have an epinephrine pen on hand in case of an emergency. […] If ingesting shellfish results in a mild reaction such as a rash or itchy skin, taking an antihistamine to see if it helps with the symptoms is recommended. However, if the symptoms do no improve, seek immediate medical advice or go to the emergency room. […] The only way to prevent a shellfish allergy is to avoid all shellfish and all products that contain shellfish. […] You should always carry your epinephrine pen and make sure it hasnt expired. You or your child should wear a medical bracelet or necklace containing your allergy information.

• #1 Shellfish Allergy (for Teens) | Nemours KidsHealth

  https://kidshealth.org/en/teens/shellfish-allergy.html

  A shellfish allergy is not exactly the same as a seafood allergy. […] Most allergic reactions to shellfish happen when someone eats shellfish. But sometimes a person can react to touching shellfish or breathing in vapors from cooking shellfish. […] Shellfish allergy can cause a severe reaction called anaphylaxis, even if a previous reaction was mild. […] If you have a shellfish allergy (or any kind of serious food allergy), the doctor will want you to carry two doses of epinephrine in case of an emergency. […] Every second counts in an allergic reaction. If you start having serious allergic symptoms, like swelling of the mouth or throat or trouble breathing, use the epinephrine right away. […] If you have a shellfish allergy, you must not eat shellfish. You also must not eat any foods that might contain shellfish as ingredients.

• #1

  https://myhealth.alberta.ca/Health/aftercareinformation/pages/conditions.aspx?hwid=acc9566

  When you have a shellfish allergy and you eat shellfish, your body reacts as if the shellfish are trying to cause harm. It fights back by setting off an allergic reaction. A mild reaction may include a few raised, red, itchy patches of skin (called hives). A severe reaction may cause hives all over, swelling in the throat, trouble breathing, or fainting. It can also cause belly pain, nausea, vomiting, or diarrhea. This is called anaphylaxis (say „ANN-uh-fuh-LAK-suss”). It can be deadly. […] Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if you are having problems. It’s also a good idea to know your test results and keep a list of the medicines you take.

• #1 Shellfish Allergy | Causes, Symptoms & Treatment | ACAAI Public Website

  https://acaai.org/allergies/allergic-conditions/food/shellfish/

  If your mouth itches, or if you develop hives or a stomachache after eating crab, lobster or other shellfish, you may have a shellfish allergy, a condition that affects nearly 7 million Americans. […] Shellfish is among the most common food allergens. A shellfish allergy is different from an allergy to fish. Those who are allergic to shellfish do not necessarily have to avoid fish, and vice versa. […] Shellfish allergies most frequently develop in adulthood but can affect children. […] Diagnosing shellfish allergies can be complicated. Symptoms can vary from person to person, and an individual may not always experience the same symptoms during every reaction. […] When a food allergy is suspected, it’s important to consult an allergist, who can determine which tests to perform, decide if an allergy exists and counsel patients on managing exposure and symptoms once the diagnosis has been confirmed.

• #1 Shellfish allergy – Hancock Health

  https://www.hancockhealth.org/mayo-health-library/shellfish-allergy/

  Shellfish allergy is an atypical response by the bodys immune system to proteins in certain marine animals. Shellfish is a common food allergy. If you think you have shellfish allergy, talk to your health care provider. Shellfish allergy symptoms generally start within minutes to an hour after eating or having contact with shellfish. An anaphylactic reaction to shellfish is a medical emergency. Anaphylaxis requires immediate treatment with an epinephrine (adrenaline) injection and a follow-up trip to the emergency room. Anaphylaxis is treated with an emergency injection of epinephrine (adrenaline). If you are at risk of having a severe allergic reaction to shellfish, you always should carry injectable epinephrine (Auvi-Q, EpiPen, others). If you have shellfish allergy, the only way to avoid an allergic reaction is to avoid all shellfish and products that contain shellfish. Be cautious when dining out. When dining at restaurants, always check to make sure that the pan, oil or utensils used for shellfish arent also used to prepare other foods, creating cross-contamination. If you have shellfish allergy, talk with your health care provider about carrying emergency epinephrine and how to use it. Carry injectable epinephrine (Auvi-Q, EpiPen, others) with you at all times. Epinephrine is typically given at the first sign of an allergic reaction. After you use epinephrine, seek emergency medical care, even if you start to feel better. Avoid eating or touching any type of shellfish while waiting for your appointment.

• #1 Shellfish allergy – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/shellfish-allergy/diagnosis-treatment/drc-20377507

  To find out if you have shellfish allergy, your health care provider will ask about your symptoms and do a physical exam to find or rule out other medical problems. […] Allergy testing is the only sure way to tell what’s causing your symptoms, so your provider may recommend one or both of these tests: […] The only sure way to prevent an allergic reaction to shellfish is to avoid shellfish. […] If you have a severe allergic reaction to shellfish (anaphylaxis), you’ll likely need an emergency injection of epinephrine (adrenaline). […] Carry injectable epinephrine (Auvi-Q, EpiPen, others) with you at all times. Epinephrine is typically given at the first sign of an allergic reaction. […] Avoid eating or touching any type of shellfish while waiting for your appointment.

• #1 What you need to know about shellfish allergy diagnosis, treatment

  https://health.ucdavis.edu/news/headlines/what-you-need-to-know-about-shellfish-allergy-diagnosis-treatment/2022/10

  People with a shellfish allergy can react to one or more foods in the shellfish family, including shrimp, crab, lobster, clam, oyster and mussels. The allergy can induce a strong immune response. Patients with shellfish allergy can develop mouth and throat itching, lip swelling and skin reactions, such as hives, puffy eyes and skin redness. […] In some people, an allergic reaction to shellfish can be severe and life-threatening called anaphylaxis. Symptoms may include vomiting, dizziness or fainting and trouble breathing due to constricted airways. In rare cases, without immediate treatment with epinephrine, it can lead to death. […] Despite its prevalence and its potentially lethal symptoms, shellfish allergy remains a big challenge to clinicians to diagnose and treat. […] To diagnose shellfish allergy, the routine workup would involve a thorough review of the patients history, a skin prick test, and a blood test for shellfish allergens and tropomyosin. Clinicians would then assess whether an oral food challenge is necessary to confirm a diagnosis.

• #1 What you need to know about shellfish allergy diagnosis, treatment

  https://health.ucdavis.edu/news/headlines/what-you-need-to-know-about-shellfish-allergy-diagnosis-treatment/2022/10

  A blind food challenge remains the gold standard for food allergy diagnosis. However, this method is resource-intensive, time-consuming, expensive and with the risk of severe reaction that hampers its clinical use. […] It is known that skin prick tests and blood antibody tests have low specificity. So, for patients with a history of shellfish allergy and negative skin and blood tests, we can do component-resolved diagnosis (CRD) and antibody crosslinking tests to test for allergen specific IgE in blood samples. […] Most people do not outgrow shellfish allergies. Studies show that 46% of people allergic to shrimp outgrew their shrimp allergy in 10 years. Meanwhile, patients are advised to avoid shellfish in their diet and take rescue medication epinephrine in case of an allergic episode.

• #1 Shellfish allergy – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/shellfish-allergy/symptoms-causes/syc-20377503

  If you have shellfish allergy, the only way to avoid an allergic reaction is to avoid all shellfish and products that contain shellfish. Even trace amounts of shellfish can cause a severe reaction in some people. […] If you have shellfish allergy, talk with your health care provider about carrying emergency epinephrine and how to use it.

• #1 What you need to know about shellfish allergy diagnosis, treatment

  https://health.ucdavis.edu/news/headlines/what-you-need-to-know-about-shellfish-allergy-diagnosis-treatment/2022/10

  Immunotherapies are designed to desensitize food-allergic patients and to restore food tolerance in order to improve the quality of life of patients. […] Anti-inflammatory drugs (such as corticosteroids) and anti-IgE (like omalizumab) are mainstream nonspecific treatments that can be used alone or used in combination with oral immunotherapy for rapid desensitization and to reduce risk of allergic reactions. Other treatment options prescribed according to the needs of the patients include antihistamines and epinephrine.

• #1 Shellfish allergy | Beacon Health System

  https://www.beaconhealthsystem.org/library/diseases-and-conditions/shellfish-allergy?content_id=CON-20377486

  If you have a severe allergic reaction to shellfish (anaphylaxis), you’ll likely need an emergency injection of epinephrine (adrenaline). If you’re at risk of anaphylaxis to shellfish, your health care provider can give you a prescription in advance and explain how and when to give the injection. Regularly check the expiration date on the packaging to make sure it’s current. […] Carry injectable epinephrine (Auvi-Q, EpiPen, others) with you at all times. Epinephrine is typically given at the first sign of an allergic reaction. A second dose may be needed if symptoms recur. After you use epinephrine, seek emergency medical care, even if you start to feel better.

• #1 Overcoming Shellfish Allergy: How Far Have We Come?

  https://www.mdpi.com/1422-0067/21/6/2234

  In this review, we will discuss the epidemiology, the molecular identification of shellfish allergens, recent progress in various diagnostic methods, as well as current development in immunotherapeutic approaches including the use of unmodified allergens, hypoallergens, immunoregulatory peptides and DNA vaccines for the prevention and treatment of shellfish allergy. […] The prospect of a “cure” for shellfish allergy is within reach. […] Clinical management of shellfish allergy remains challenging. […] The delineation of molecular characteristics of shellfish allergens over the past decade paves the way for the design of different immunotherapeutic strategies to treat this prevalent allergic disease. […] Although the effectiveness of oral (OIT), sublingual (SLIT) and epicutaneous (EPIT) immunotherapy for peanut, cow’s milk and egg allergies has been demonstrated, these emerging treatments have not been tested in patients with shellfish allergy.

• #1 Shellfish Allergy | Causes, Symptoms & Treatment | ACAAI Public Website

  https://acaai.org/allergies/allergic-conditions/food/shellfish/

  Once a shellfish allergy is identified, the best management is to avoid the food. You need to carefully check ingredient labels of food products. […] Your allergist can direct you to helpful resources, such as special cookbooks, patient support groups and registered dietitians, who can help you plan your meals. […] Epinephrine is the first-line treatment for anaphylaxis, a severe whole-body allergic reaction that causes symptoms, including tightening of the airway. […] Once a food allergy diagnosis is made, your allergist likely will prescribe an epinephrine auto-injector and teach you how to use it. […] Because shellfish allergy reactions, like other food allergy symptoms, can develop when a child is not with his or her parents, parents need to make sure that their child’s school, day care or other program has a written emergency action plan with instructions on preventing, recognizing and managing these episodes in class and during activities such as sporting events and field trips.

• #1

  https://myhealth.alberta.ca/Health/aftercareinformation/pages/conditions.aspx?hwid=acc9566

  During a severe reaction, give yourself an epinephrine shot. Keep it with you at all times. Make sure it has not expired. Call for emergency help. A severe allergic reaction can be life-threatening and is a medical emergency. […] To prevent future reactions, avoid the foods that cause problems. And try not to use utensils or cookware that may have been in contact with food that you are allergic to. Teach your family members, co-workers, and friends what to do if you have a severe reaction to a food that you are allergic to. Wear medical alert jewellery that lists your allergies. […] Call 911 anytime you think you may need emergency care. For example, call if you have symptoms of a severe allergic reaction. These may include: sudden raised, red areas (hives) all over your body, swelling of the throat, mouth, lips, or tongue, trouble breathing, passing out (losing consciousness), or severe belly pain, nausea, vomiting, or diarrhea.

• #1

  https://myhealth.alberta.ca/Health/aftercareinformation/pages/conditions.aspx?hwid=acc9566

  Call your doctor or nurse advice line now or seek immediate medical care if you have symptoms of an allergic reaction, such as: a rash or hives (raised, red areas on the skin), itching, swelling, mild belly pain or nausea. Watch closely for changes in your health, and be sure to contact your doctor or nurse advice line if you do not get better as expected.

• #1 Shellfish Allergy (for Parents) | Nemours KidsHealth

  https://kidshealth.org/en/parents/shellfish-allergy.html

  A shellfish allergy is not exactly the same as a seafood allergy. […] Most allergic reactions to shellfish happen when someone eats shellfish. But sometimes a person can react to touching shellfish or breathing in vapors from cooking shellfish. […] If your child has a shellfish allergy (or any kind of serious food allergy), always keep two doses of epinephrine available in case of a severe reaction. […] Every second counts in an allergic reaction. If your child starts having serious allergic symptoms, like swelling of the mouth or throat or trouble breathing, give the epinephrine right away. […] If your child has a shellfish allergy, help them avoid eating shellfish. Read food labels carefully because ingredients can change, and shellfish can be found in unexpected places. […] When eating away from home, your child should always have two doses of epinephrine with them that haven’t expired. Also, tell the people preparing or serving your child’s food about the shellfish allergy.

• #1 Medical IDs for Shellfish Allergy | MedicAlert Foundation

  https://www.medicalert.org/medical-conditions/shellfish-allergy/?srsltid=AfmBOopTTOC-bYJST3srg8aQcH0RbwZcAij1CKYVYG0rCS4rxF3T9f2-

  A shellfish allergy is a type of food allergy. The reaction can be mild, such as hives, or it can be more dangerous, leading to life-threatening symptoms. […] Your immune system is responsible for identifying threats like viruses and bacteria and mounting a response to eliminate them. With a shellfish allergy, your immune system mistakenly targets a protein in shellfish as harmful, even though it is not. […] People who have a shellfish allergy may be allergic to any type of shellfish, or only one. […] Symptoms of shellfish allergy include: Hives and itching, Stomach cramps/indigestion, Nausea and vomiting, Diarrhea, Wheezing, Cough, Shortness of breath, Hoarse voice or tight throat, Weak pulse, Pale or bluish color to the skin. […] These symptoms can lead to serious complications, including anaphylaxis, a life-threatening severe allergic reaction.

• #1 Shellfish Allergy – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK448089/

  Patients should receive instructions to avoid the offending agent or food after treatment. For example, patients with an allergic reaction triggered by crabs should avoid other crustaceans. […] Shellfish allergies do not increase the risk of radiocontrast material allergic reactions. […] Healthcare workers, including nurse practitioners, should always strive to get a thorough history of food and medication allergies and record it in the chart.

• #1 Shellfish Allergy: Symptoms and Causes | Allergy & Immunology Center

  https://www.toplinemd.com/allergy-institute/shellfish-allergy-symptoms-and-causes/

  Shellfish allergies represent a significant concern for many individuals, with symptoms ranging from mild discomfort to severe, life-threatening reactions. […] Individuals experiencing shellfish allergies may find their symptoms triggered by one specific type of shellfish or a combination, necessitating a nuanced approach to diagnosis and management. […] The psychological impact of living with a shellfish allergy can be profound, affecting daily choices, social interactions, and overall quality of life. […] It’s crucial to differentiate between a shellfish allergy and intolerance, as their mechanisms and symptoms vary significantly. […] An immune system response characterizes a shellfish allergy. The body identifies specific proteins in shellfish as harmful, triggering an allergic reaction.

• #2 What you need to know about the latest in shellfish allergy diagnosis and treatment

  https://health.ucdavis.edu/news/headlines/what-you-need-to-know-about-the-latest-in-shellfish-allergy-diagnosis-and-treatment/2022/10

  Shellfish allergy is very common in adults and children. It affects around 3% of adults and a little over 1% of children. Despite its prevalence and its potentially lethal symptoms, shellfish allergy remains a big challenge to clinicians to diagnose and treat. […] To diagnose shellfish allergy, the routine workup would involve a thorough review of clinical history, a skin prick test, and a serum-specific IgE antibody test to whole shrimp and tropomyosin determination. Clinicians will then assess whether an oral food challenge is necessary to confirm a diagnosis. […] A blind food challenge remains the gold standard for food allergy diagnosis. However, this method is resource-intensive, time-consuming, expensive and with the risk of anaphylaxis that hampers its clinical implication. Recently, there has been a successful study on using nasal allergen provocation test to diagnose shellfish allergy. Yet, there is still a great need for a noninvasive but accurate diagnostic method for shellfish allergy.

• #2 Shellfish Allergy | Causes, Symptoms & Treatment | ACAAI Public Website

  https://acaai.org/allergies/allergic-conditions/food/shellfish/

  If your mouth itches, or if you develop hives or a stomachache after eating crab, lobster or other shellfish, you may have a shellfish allergy, a condition that affects nearly 7 million Americans. […] Shellfish is among the most common food allergens. A shellfish allergy is different from an allergy to fish. Those who are allergic to shellfish do not necessarily have to avoid fish, and vice versa. […] Shellfish allergies most frequently develop in adulthood but can affect children. […] Diagnosing shellfish allergies can be complicated. Symptoms can vary from person to person, and an individual may not always experience the same symptoms during every reaction. […] When a food allergy is suspected, it’s important to consult an allergist, who can determine which tests to perform, decide if an allergy exists and counsel patients on managing exposure and symptoms once the diagnosis has been confirmed.

• #2

  https://www.amerikanhastanesi.org/mayo-clinic-care-network/mayo-clinic-health-information-library/diseases-conditions/shellfish-allergy

  Shellfish allergy is an atypical response by the body’s immune system to proteins in certain marine animals. Marine animals in the shellfish category include crustaceans and mollusks. Examples are shrimp, crabs, lobster, squid, oysters, scallops and snails. […] Shellfish is a common food allergy. Some people with shellfish allergy react to all shellfish, while others react to only certain kinds. Reactions range from mild symptoms such as hives or a stuffy nose to severe and even life-threatening. […] If you think you have shellfish allergy, talk to your health care provider. Tests can help confirm the allergy so you can take steps to avoid future reactions. […] Seek emergency treatment if you develop signs or symptoms of anaphylaxis. […] Anaphylaxis is treated with an emergency injection of epinephrine (adrenaline). If you are at risk of having a severe allergic reaction to shellfish, you always should carry injectable epinephrine (Auvi-Q, EpiPen, others).

• #2 Allergic and toxic reactions to seafood – Australasian Society of Clinical Immunology and Allergy (ASCIA)

  https://www.allergy.org.au/patients/food-allergy/allergic-and-toxic-reactions-to-seafood

  Seafood allergy occurs most commonly where seafood is an important part of the diet, such as in Asia and Scandinavia. Approximately 1% of the population is estimated to have a seafood allergy. It is more common in teenage and adult life than very early childhood. About 20% of people will grow out of their seafood allergy with time. […] The major groups of seafood that can trigger allergic reactions: Shellfish (invertebrates without a backbone) including crustaceans such as prawns/shrimps, lobster, crab, crayfish, and yabbies, and molluscs including oysters, mussels, clams, octopus, squid (calamari), abalone, and sea slugs. […] Allergy to one crustacean usually means that all must be avoided. People with allergy to seafood from one group (such as crustaceans) may tolerate seafood from another group (such as molluscs). This can only be confirmed with allergy testing and guidance from a clinical immunology/allergy specialist.

• #2 Overcoming Shellfish Allergy: How Far Have We Come?

  https://www.mdpi.com/1422-0067/21/6/2234

  The use of shellfish extracts or allergens in AIT for shellfish allergy is currently not in clinical use, and relevant published studies are scarce. […] Despite the fact that low-dose immunotherapy was well tolerated, medium-dose AIT triggered mild allergic symptoms during the treatment phase, severe anaphylactic responses (convulsion and tremor) or even death were observed in the high-dose group. […] These observations indicate that recombinant shellfish tropomyosin in AIT should be used with much caution. […] Specific immunotherapy using the causal allergen is the conventional treatment option for most food allergies, but adverse events during treatment are likely. […] Modifying recombinant allergens to reduce their IgE reactivity and allergenicity is a core strategy in improving the safety of AIT.

• #2

  https://www.everlywell.com/blog/food-allergy/shellfish-allergy-symptoms-signs/?srsltid=AfmBOoqFDKyr5XXMabgVjsK4A-_hpqpw5ATv7_qjYhahVWc4W2FK7o4O

  Those who suffer from shellfish allergies may experience several different symptoms, or even several at once. Some common shellfish allergy symptoms can include: vomiting, diarrhea, stomach pain, bloating, and gas. […] Some people who have a severe shellfish allergy could experience anaphylaxis. Anaphylaxis occurs when your immune system goes into serious overdrive and releases a rush of chemicals. This onslaught of chemicals can cause you to go into shock as your blood pressure drops and you have difficulty breathing. […] If you have a shellfish allergy, your reaction might not necessarily look the same as a friend or family member who also does. People can have very different symptoms. Furthermore, severity of the symptom that characterize their shellfish allergy. […] Its also possible that your allergy can worsen over time, so you could have a more serious reaction even if you’ve only experienced mild reactions in the past. This is why it’s important to avoid shellfish if you have a known allergy—even if it’s just a mild one.

• #2 Shellfish Allergy (for Parents) | Nemours KidsHealth

  https://kidshealth.org/en/parents/shellfish-allergy.html

  A shellfish allergy is not exactly the same as a seafood allergy. […] Most allergic reactions to shellfish happen when someone eats shellfish. But sometimes a person can react to touching shellfish or breathing in vapors from cooking shellfish. […] If your child has a shellfish allergy (or any kind of serious food allergy), always keep two doses of epinephrine available in case of a severe reaction. […] Every second counts in an allergic reaction. If your child starts having serious allergic symptoms, like swelling of the mouth or throat or trouble breathing, give the epinephrine right away. […] If your child has a shellfish allergy, help them avoid eating shellfish. Read food labels carefully because ingredients can change, and shellfish can be found in unexpected places. […] When eating away from home, your child should always have two doses of epinephrine with them that haven’t expired. Also, tell the people preparing or serving your child’s food about the shellfish allergy.

• #2 Shellfish allergy – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/shellfish-allergy/symptoms-causes/syc-20377503

  Shellfish allergy is an atypical response by the body’s immune system to proteins in certain marine animals. Shellfish is a common food allergy. Some people with shellfish allergy react to all shellfish, while others react to only certain kinds. Reactions range from mild symptoms such as hives or a stuffy nose to severe and even life-threatening. […] An anaphylactic reaction to shellfish is a medical emergency. Anaphylaxis requires immediate treatment with an epinephrine (adrenaline) injection and a follow-up trip to the emergency room. If anaphylaxis isn’t treated right away, it can be fatal. […] Anaphylaxis is treated with an emergency injection of epinephrine (adrenaline). If you are at risk of having a severe allergic reaction to shellfish, you always should carry injectable epinephrine (Auvi-Q, EpiPen, others).

• #2 Shellfish Allergies Symptoms and Treatment—Jax Allergy

  https://www.jaxallergy.com/allergy-treatments/food-allergies/shellfish-allergy/

  If you suspect you have a shellfish allergy or you’ve had any of the above symptoms after eating shellfish, make an appointment with your allergy specialist as soon as possible. […] A shellfish allergy diagnosis can sometimes be complicated as symptoms vary widely from person to person, and it is very possible for someone to have different symptoms during each reaction. […] Additionally, people with shellfish allergies do not necessarily have to eat it to have a reaction. […] In most cases your shellfish allergy will be diagnosed by a skin-prick test or a blood test. […] The best and only definitive treatment for shellfish allergies is strict avoidance and elimination of any foods containing shellfish from your diet. […] Additionally, anyone with shellfish allergies must check ingredient labels on packaged and prepared foods.

• #2

  https://myhealth.alberta.ca/Health/aftercareinformation/pages/conditions.aspx?hwid=acc9566

  During a severe reaction, give yourself an epinephrine shot. Keep it with you at all times. Make sure it has not expired. Call for emergency help. A severe allergic reaction can be life-threatening and is a medical emergency. […] To prevent future reactions, avoid the foods that cause problems. And try not to use utensils or cookware that may have been in contact with food that you are allergic to. Teach your family members, co-workers, and friends what to do if you have a severe reaction to a food that you are allergic to. Wear medical alert jewellery that lists your allergies. […] Call 911 anytime you think you may need emergency care. For example, call if you have symptoms of a severe allergic reaction. These may include: sudden raised, red areas (hives) all over your body, swelling of the throat, mouth, lips, or tongue, trouble breathing, passing out (losing consciousness), or severe belly pain, nausea, vomiting, or diarrhea.

• #2 Shellfish allergy | Beacon Health System

  https://www.beaconhealthsystem.org/library/diseases-and-conditions/shellfish-allergy?content_id=CON-20377486

  Shellfish allergy is an atypical response by the body’s immune system to proteins in certain marine animals. Shellfish is a common food allergy. Some people with shellfish allergy react to all shellfish, while others react to only certain kinds. Reactions range from mild symptoms such as hives or a stuffy nose to severe and even life-threatening. […] An anaphylactic reaction to shellfish is a medical emergency. Anaphylaxis requires immediate treatment with an epinephrine (adrenaline) injection and a follow-up trip to the emergency room. If anaphylaxis isn’t treated right away, it can be fatal. […] If you have shellfish allergy, the only way to avoid an allergic reaction is to avoid all shellfish and products that contain shellfish. Even trace amounts of shellfish can cause a severe reaction in some people.

• #2 Shellfish Allergy – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK448089/

  Shellfish allergies can occur due to immunologic or nonimmunological processes, and individuals may react to crustaceans, such as crab or shrimp, or mollusks, such as clams or scallops, or both. […] Therapy is directed by the patient’s presentation and underlying etiology. This activity reviews the presentation, evaluation, and management of shellfish allergies and emphasizes the role of the interprofessional team approach in the care of affected patients. […] The evaluation and diagnosis of shellfish allergy in an acute setting are on clinical grounds, as no rapid tests exist to diagnose this entity accurately. Assessing vital signs, focusing on respiratory status and blood pressure, is crucial in distinguishing anaphylaxis from a more benign course. […] There is no specific treatment for shellfish allergies, but preventing contaminated fish from entering the food supply can be very useful.

• #2 Shellfish allergy | UM Health-Sparrow

  https://www.uofmhealthsparrow.org/departments-conditions/conditions/shellfish-allergy

  The only sure way to prevent an allergic reaction to shellfish is to avoid shellfish. […] Carry injectable epinephrine (Auvi-Q, EpiPen, others) with you at all times. Epinephrine is typically given at the first sign of an allergic reaction. […] Prepare for your appointment by making a list of symptoms, including any that may seem unrelated to an allergy. […] Avoid eating or touching any type of shellfish while waiting for your appointment.

• #2 What you need to know about the latest in shellfish allergy diagnosis and treatment

  https://health.ucdavis.edu/news/headlines/what-you-need-to-know-about-the-latest-in-shellfish-allergy-diagnosis-and-treatment/2022/10

  Clearly, identification and validation of the optimal diagnostic algorithm for shellfish allergy are much needed. It is known that skin prick test and blood antibody test have low specificity. So, for patients with clinical history of shellfish allergy and negative skin and blood tests, we can do component-resolved diagnosis (CRD) and antibody crosslinking tests. […] Studies show that 46% of people allergic to shrimp had their allergy resolved in 10 years. Meanwhile, patients are advised to avoid shellfish in their diet and take rescue medication in case of an allergic episode. […] Immunotherapies are designed to desensitize food-allergic patients and to restore food tolerance in order to improve the quality of life in the affected individuals. There are different immunotherapy approaches for shellfish allergy.

• #2 Shellfish allergy – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/shellfish-allergy/diagnosis-treatment/drc-20377507

  To find out if you have shellfish allergy, your health care provider will ask about your symptoms and do a physical exam to find or rule out other medical problems. […] Allergy testing is the only sure way to tell what’s causing your symptoms, so your provider may recommend one or both of these tests: […] The only sure way to prevent an allergic reaction to shellfish is to avoid shellfish. […] If you have a severe allergic reaction to shellfish (anaphylaxis), you’ll likely need an emergency injection of epinephrine (adrenaline). […] Carry injectable epinephrine (Auvi-Q, EpiPen, others) with you at all times. Epinephrine is typically given at the first sign of an allergic reaction. […] Avoid eating or touching any type of shellfish while waiting for your appointment.

• #2 Shellfish Allergy Overview from Doctor Mehta in New Orleans, LA

  https://uptownallergyasthma.com/shellfish-allergy/

  There are several ways to manage a shellfish allergy. Most important is avoiding shellfish itself and also any foods that contain shellfish by carefully reading nutrition labels for ingredients. […] Some medicines can treat a shellfish allergic reaction. If you have a mild reaction to shellfish, your healthcare provider may prescribe you an antihistamine or corticosteroid to control symptoms. However, only epinephrine injection via EpiPen can treat a severe shellfish reaction like anaphylaxis. […] Patients with shellfish allergies do not have a significantly increased risk of allergic reaction to iodine, which is commonly used as an intravenous contrast agent or dye for medical imaging procedures. […] Glucosamine supplements are taken for joint health and to prevent osteoarthritis. Glucosamine is typically extracted from a material (chitin) found in the shells of crabs, shrimp, and oysters. However, shellfish allergy results from exposure to the muscle proteins in shellfish flesh, not shells.

• #2 Shellfish Allergy Diet | University Hospitals

  https://www.uhhospitals.org/health-information/health-and-wellness-library/article/adult-diseases-and-conditions-v0/shellfish-allergy-diet

  The key to an allergy-free diet is to stay away from all foods or products containing the food to which you are allergic. If you’re allergic to shellfish, you’ll need to stay away from foods that contain shellfish. […] Talk with your healthcare provider to make sure you know what you’re allergic to and what to avoid. […] Always read the entire ingredient label to look for shellfish. Shellfish may be in the ingredient list. Or it could be listed in a Contains: Shellfish statement below the ingredient list. […] Ask your healthcare provider if it’s safe to eat products with these labels or if you should stay away from them. […] Always carry 2 doses of epinephrine. Make sure you and those close to you know how to use them. […] Always read food labels. And always ask about ingredients at restaurants and tell the restaurant staff that you have an allergy. Do this even if these are places where you’ve eaten in the past.

• #2 Shellfish Allergy: Care Instructions | Kaiser Permanente

  https://healthy.kaiserpermanente.org/health-wellness/health-encyclopedia/he.shellfish-allergy-care-instructions.acc9566

  When you have a shellfish allergy and you eat shellfish, your body reacts as if the shellfish are trying to cause harm. It fights back by setting off an allergic reaction. A good way to prevent an allergic reaction is to avoid the foods that cause it. […] Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor if you are having problems. […] During a severe reaction, give yourself an epinephrine shot. Keep it with you at all times. Make sure it has not expired. Call for emergency help. A severe allergic reaction can be life-threatening and is a medical emergency. […] Teach your family members, coworkers, and friends what to do if you have a severe reaction to a food that you are allergic to. […] Call 911 anytime you think you may need emergency care. […] Watch closely for changes in your health, and be sure to contact your doctor if you do not get better as expected.

• #2 Shellfish Allergy Diet | UMass Memorial Health

  https://www.ummhealth.org/health-library/shellfish-allergy-diet

  The key to an allergy-free diet is to stay away from all foods or products containing the food to which you are allergic. If you’re allergic to shellfish, you’ll need to stay away from foods that contain shellfish. To do this, you must read food labels. […] Talk with your healthcare provider to make sure you know what you’re allergic to and what to avoid. […] Always read the entire ingredient label to look for shellfish. Shellfish may be in the ingredient list. Or it could be listed in a Contains: Shellfish statement below the ingredient list. […] Ask your healthcare provider if it’s safe to eat products with these labels or if you should stay away from them. […] Always carry 2 doses of epinephrine. Make sure you and those close to you know how to use them. […] Wear a medical alert bracelet or necklace with your allergy information. […] In a restaurant, food may be cross-contaminated with shellfish or seafood. […] Always read food labels. And always ask about ingredients at restaurants and tell the restaurant staff that you have an allergy. Do this even if these are places where you’ve eaten in the past.

• #2 Shellfish and fish allergies | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/shellfish-and-fish-allergies

  Shellfish and fish allergies are more common in adults and adolescents than in younger children. […] The best way to manage a shellfish or fish allergy is to avoid the food to which you are allergic. […] Food allergies can be life threatening. If you, or someone in your care, have a severe allergic reaction (anaphylaxis), call triple zero (000) for an ambulance. Administer an injection of adrenaline (epinephrine) into the outer mid-thigh. […] If you are at risk of a severe allergic reaction and you have been prescribed an adrenaline injector (such as an EpiPen or Anapen), the Australasian Society of Clinical Immunology and Allergy (ASCIA) recommends that you have an ASCIA Action Plan for Anaphylaxis specific to the brand of injector you have been prescribed. […] Always speak to your doctor or a clinical immunology/allergy specialist about your food allergy diagnosis and treatment options. […] Emergency responses for a severe allergic reaction are: Lay the person flat do not allow them to stand or walk. Administer adrenaline with an injector (such as an EpiPen or Anapen). […] If you are at risk of a severe allergic reaction, make sure you: Have an ASCIA Action Plan for Anaphylaxis.

• #2 When Your Child Has a Food Allergy: Shellfish | Saint Luke’s Health System

  https://www.saintlukeskc.org/health-library/when-your-child-has-food-allergy-shellfish

  When a child has a shellfish allergy, coming in contact with even a small amount of shellfish can cause a life-threatening reaction. […] Most children shouldn’t eat any kind of shellfish. But some children are allergic to some types of shellfish and not others. […] U.S. manufacturers of packaged food items must state clearly on the label if the item contains shellfish. […] Some children are more sensitive to shellfish than others. Just breathing the fumes of cooking shellfish may set off an allergic reaction in certain children. […] Always carry epinephrine medicine, such as an auto-injector or nasal spray, if it has been prescribed. Always carry 2 doses. Make sure you and those close to your child know how to use it. […] Have your child’s healthcare provider make an anaphylaxis action plan in case of an accidental exposure to shellfish. Go over this plan with everyone who cares for your child. […] If your child has any of the symptoms listed below, act quickly. Use epinephrine right away if it has been prescribed. Then call 911.

• #2 Shellfish Allergy in Children: Care Instructions | Kaiser Permanente

  https://healthy.kaiserpermanente.org/health-wellness/health-encyclopedia/he.shellfish-allergy-in-children-care-instructions.acc9733

  Give an epinephrine shot if you think your child is having a severe allergic reaction. After you give an epinephrine shot, call 911, even if your child feels better. Call 911 anytime you think your child may need emergency care. Watch closely for changes in your child’s health, and be sure to contact your doctor if your child does not get better as expected. […] Call your doctor now or seek immediate medical care if your child has symptoms of an allergic reaction, such as: a rash or hives (raised, red areas on the skin), itching, swelling, mild belly pain or nausea.

• #2 Dining Out with a Shellfish Allergy | LifeMD

  https://lifemd.com/learn/dining-out-with-a-shellfish-allergy

  Cross-contact happens when shellfish touches other foods during prep, cooking, or frying. […] If youre unsure, always ask how food is prepared to avoid accidental exposure. […] Hidden shellfish ingredients can turn a safe dish into a risky one, so its important to ask the right questions. […] When dining out, clear communication is your best defense against accidental exposure. […] Let your server know upfront: I have a severe shellfish allergy. Can you confirm that my meal wont contain shellfish or come into contact with it during prep? […] Cross-contact is a real risk, so its worth asking if they have dedicated prep areas, utensils, and fryers for non-seafood dishes. […] Some restaurants are naturally safer for those with a shellfish allergy. […] Customizing your order can also help reduce risk.

• #2

  https://myhealth.alberta.ca/Health/aftercareinformation/pages/conditions.aspx?hwid=acc9733

  Give your child an epinephrine shot. Older children can give themselves the shot if they have learned how. Keep it with your child at all times. Make sure it has not expired. […] A severe allergic reaction can be life-threatening and is a medical emergency. […] Avoid the foods that cause problems. And try not to use utensils or cookware that may have been in contact with food your child is allergic to. […] Teach your child’s teachers and caregivers what to do if your child has a severe reaction to food that your child is allergic to. […] Have your child wear medical alert jewellery that lists all allergies. […] Give an epinephrine shot if you think your child is having a severe allergic reaction. […] Call 911 anytime you think your child may need emergency care. […] Call your doctor or nurse advice line now or seek immediate medical care if your child has symptoms of an allergic reaction, such as: A rash or hives (raised, red areas on the skin). […] Watch closely for changes in your child’s health, and be sure to contact your doctor or nurse advice line if your child does not get better as expected.

• #2 Medical IDs for Shellfish Allergy | MedicAlert Foundation

  https://www.medicalert.org/medical-conditions/shellfish-allergy/?srsltid=AfmBOopTTOC-bYJST3srg8aQcH0RbwZcAij1CKYVYG0rCS4rxF3T9f2-

  Symptoms of anaphylaxis include: Swelling of the lips, tongue, and throat, Hives, rashes, and itching, Trouble breathing and/or wheezing, Feeling like something bad is about to happen, Stomach pain, vomiting, or diarrhea. […] The good news is that treating a shellfish allergy can reduce your risk of experiencing a serious allergic reaction. […] Because you can be at risk for an anaphylactic reaction to shellfish even if your allergic reaction hasnt been severe in the past, your doctor may prescribe an EpiPen for you to use in an emergency. […] In an emergency where every second counts, conveying important information like a shellfish allergy and EpiPen use can save your life. […] By understanding shellfish allergy and how to best avoid exposure, you can live a healthy and active life. Working with your doctor to treat any possible reactions with an EpiPen gives you added safety, and adding a medical ID for shellfish allergy is another layer of protection.

• #2 Reddit – The heart of the internet

  https://www.reddit.com/r/FoodAllergies/comments/1ct0190/how_to_handle_shellfish_allergy_at_work/

  hi! i (28 F) have had a severe shellfish allergy for about 10 years now. […] i told them its my problem not theirs but if they could let me know when they bring in shellfish so i know to avoid the break room that would be nice. […] its my life and its a very dangerous situation for me but i feel so bad dictating what they can bring in for lunch.

• #2 Medical IDs for Shellfish Allergy | MedicAlert Foundation

  https://www.medicalert.org/medical-conditions/shellfish-allergy/?srsltid=AfmBOopTTOC-bYJST3srg8aQcH0RbwZcAij1CKYVYG0rCS4rxF3T9f2-

  Shellfish allergies, like any serious food allergy, command a lot of attention. People with this allergy can experience a serious, potentially life-threatening reaction if they are exposed to shellfish or sometimes even foods that have been cross-contaminated by contact with shellfish. Knowing how to identify a shellfish allergy, avoid exposure, and manage an allergic reaction are all important if you suspect you have this problem. […] MedicAlerts protection plans offer benefits that extend beyond the ID, providing safety and peace of mind for people living with shellfish allergy, their families and caregivers. […] Our team provides first responders the information they need to provide fast, accurate care. […] Share the information thats important to your care, such as use of rescue medications or contraindication for tests like MRIs.

• #2 Shellfish Allergy – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK448089/

  Patients should receive instructions to avoid the offending agent or food after treatment. For example, patients with an allergic reaction triggered by crabs should avoid other crustaceans. […] Shellfish allergies do not increase the risk of radiocontrast material allergic reactions. […] Healthcare workers, including nurse practitioners, should always strive to get a thorough history of food and medication allergies and record it in the chart.

• #3 Overcoming Shellfish Allergy: How Far Have We Come?

  https://www.mdpi.com/1422-0067/21/6/2234

  The current AIT paradigm involves the administration of gradually increasing amounts of the allergen extracts or the recombinant allergens in an attempt to induce desensitization, and more preferentially, tolerance. […] Collectively, nine major IgE binding epitopes of shrimp tropomyosin with 5–21 amino acid residues were found that supported the subsequent construction of new hypoallergenic variants of shrimp tropomyosin. […] The immunotherapeutic values of MEM49 and MED171 are thus highlighted by their capacity to induce IgG with validated inhibitory functions.

• #3 why betadine on skin for those with iodine/shellfish allergy? – General Nursing Support

  https://allnurses.com/betadine-skin-iodine-shellfish-allergy-t345475/

  Not sure what you’re referring to. In my facility we avoid using Betadine if the patient has a shellfish allergy. […] If a Iodine/shellfish allergy is known another prep is usually used. […] If it was, it was an error. People with iodine allergies should not have betadine. […] This would have to be done 2-3 days before surgery to really know if an allergy exists. […] Iodine is not an allergan. Iodine is found throughout the body in thyroid hormones, amino acids, etc. If a patient says they are allergic to iodine it is something else in the solution not iodine. […] The iodine/shellfish allergy is a myth that just won’t go a way: an allergy to shellfish does not equal an allergy to iodine. […] It is not possible to have a true allergy to iodine. […] Reactions to iodine contrast is real, but it is considered to be due to the osmolarity of the solution and not to the iodine itself. […] I think it’s just easier for people to understand „I’m allergic to Betadine” than to have the whole it’s-not-the-iodine-it’s-something-else-you-wouldn’t-understand conversation.

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