Seafood Allergies - Frequently Asked Questions

Julia Samuel
Article Reviewed by Dietitian Julia Samuel, M.Phil
Last Updated on Oct 21, 2017
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Frequently Asked Questions

1. Can you get hives from shrimp?

Yes, shrimp is one of the seafood that causes severe allergic reaction and people. People having allergy to shrimp can develop allergic reactions like skin rashes, itching, swelling, or hives (urticaria), vomiting, fainting, diarrhea, etc. Consult your doctor if you notice any allergic reaction after consuming shrimp. You will be prescribed an antihistamine medication, which will take care of these acute symptoms.

2. Can you have a delayed reaction to a food allergy?

Yes, in some patients, delayed reactions to seafood are observed. Allergic symptoms usually occur immediately after consuming any food or within 2 hours. However, in some cases, delayed reactions can occur, and specifically exercise induced anaphylaxis is occasionally observed, especially after the consumption of shellfish.

3. How long can a delayed allergic reaction be?

Delayed reactions have been reported up to 8 hours after ingestion of seafood. It can last from 24 hours to a few days depending on the severity. Consulting of the allergy. Consult a doctor at the earliest for an ideal treatment approach.

4. Why are people allergic to fish?

Allergies occur when our immune system reacts to a foreign substance or a food item, this is called an allergen, which it identifies. It is identified as harmful by the body even if it isn''t. In people with fish allergy, their body produces an abnormal response to a specific protein found in marine animals. When an allergen comes in contact with our body, our immune system produces antibodies and, thereby by causing allergic reactions.

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