A 16-year-old member asked:
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is it safe for a person with seafood allergies to swim in the ocean or go to the beach?

3 doctor answers
Dr. Jennifer Lee
20 years experience Obstetrics and Gynecology
Iodine: Most people with a seafood allergy are allergic to iodine. You do not need to worry about swimming or going to the beach but make sure you tell your health care provider. You may be allergic to imaging dyes or contrasts.
Answered on Aug 7, 2020
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Dr. Andrew Murphy
28 years experience Allergy and Immunology
I would respectfully disagree with the statement that shellfish allergy is related to iodine. The allergen in shellfish allergy is the muscle protein tropomyosin. Iodine has nothing to due with shellfish allergy. Rxn to iodine contrast materials is probably related to the ionic strength of the material used.
Mar 11, 2012
Dr. Kenneth Backman
29 years experience Allergy and Immunology
Yes: Most people with seafood allergies are truly allergic to proteins in seafood. However, exposure to these proteins in ocean water and at the beach is so minimal, that the vast majority of seafood allergic patients have no reaction to them. Contrary to a popular misconception, seafood allergy is not due to iodine, and does not cause an increased risk of reaction to dyes used for x-rays and ct scans.
Answered on Feb 14, 2020
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Dr. Andrew Murphy
28 years experience Allergy and Immunology
Yes: Shellfish allergy is related to the ingestion of the food in question. I am not aware of any guidelines that suggest the shellfish allergic patients should refrain from going to the beach or going for a swim in the ocean.
Answered on Feb 14, 2020

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Dr. Michael Zacharisen
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Yes: A reaction to fish is more likely to occur either after eating fish or inhaling the steam from cooking fish. It is the fish meat that contains the pr ... Read More
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Dr. Ed Friedlander
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A 36-year-old member asked:
Dr. Douglas Berson
37 years experience Allergy and Immunology
Ocean allergy: The answer is no! fish allergy is due to a reaction to a protein in the fish itself. Some people with severe fish allergy will react even to airborne ... Read More
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