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Doctor insights on: What Does A Rash From A Shellfish Allergy Look Like

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What does a rash from a shellfish allergy look like?

What does a rash from a shellfish allergy look like?

Hives, usually: Most rash from shellfish allergy looks like hives (urticaria) and/or swelling of the eyes, lips and hands (angioedema). A few people with atopic eczema who are shellfish sensitive might get worsening of their eczema. People who process shellfish (like fishermen or cannery workers) might get an eczema-like rash on their hands and skin where they contact the shellfish. ...Read more

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Dr. Cornelia Franz
1,059 doctors shared insights

Rash (Definition)

Most bumps and blotches on a newborn baby are harmless and clear up by themselves. By far the most common skin problem in infants is diaper rash. Diaper rash is an irritation of the skin caused by dampness, urine, or feces. Most babies who wear diapers will have some type of diaper rash. However, there are other skin disorders that can cause rashes. These are usually not serious unless ...Read more


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Which drugs can help my shellfish allergy?

Epinephrine: For severe shellfish allergy, only injectable Epinephrine for reactions is a reliable treatment. Some people with very mild allergies can use antihistamines alone, but everyone should have Epinephrine available. Unfortunately, there are no drugs that will prevent or resolve a food allergy so you can eat the food without risk, although this is an active area of research. ...Read more

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What symptoms indicate a severe shellfish allergy?

What symptoms indicate a severe shellfish allergy?

Multiple symptoms: After exposure to or ingestion of shellfish, you would experience any combination of the following symptoms: shortness of breath, cough, wheeze, chest tightness, vomiting, diarrhea, hives, swelling of the lips/tongue, throat discomfort, etc. ...Read more

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Will calamari trigger a shellfish allergy?

Will calamari trigger a shellfish allergy?

Yes: About 10-15% of people who are shellfish allergic (shrimp, lobster, etc) are also clinically sensitive to mollusks (clams, squid(calamari), octopus). Ask your allergist before introducing mollusks to your diet. ...Read more

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Will imitation crab trigger a shellfish allergy?

Will imitation crab trigger a shellfish allergy?

No: Imitation crab meat is made from fillets of Alaska pollock. As long as you don't have a history of fish allergy you shouldn't have a problem. You should be careful however, because some manufacturers that produce these products also manufacture shellfish products in the same facility which could cause cross-contamination. ...Read more

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If I have a shellfish allergy, can I eat imitation crab?

If I have a shellfish allergy, can I eat imitation crab?

Yes.: That is, as long as you are not allergic to fish as well. Imitation crab is made from pollack and kamaboko, types of white fish. There are two kinds of shellfish - crustaceans (shrimp, lobster, crab) & mollusks (clams, mussels, oysters, calamari). Are you allergic to both kinds? If not, there may be some shellfish in your future. See an allergist for help. ...Read more

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If I have a shellfish allergy, why can I not use iodine?

If I have a shellfish allergy, why can I not use iodine?

Radiocontrast media : People with shellfish allergy are sometimes told they should avoid iodine and radioconstrast media (rcm). This is not true and is a myth. Iodine does not cause allergy. While people who have any allergies may have a slightly higher risk to a reaction to rcm, it is still low. Shellfish allergy does not increase the risk for a reaction. ...Read more

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Dr. Cynthia Lu
67 doctors shared insights

Shellfish Allergy (Definition)

A shellfish allergy is an exaggerated immune response due to exposure to shellfish protein. The reaction can present with typical symptoms of hives, respiratory symptoms (cough, wheeze, shortness of breath), GI symptoms (abdominal pain, vomiting), swelling, loss of consciousness, and can be fatal. Symptoms typically present within minutes to a couple hours ...Read more


Dr. John Chiu
2,491 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more