Iodine And Shellfish Allergy. Allergies are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis. Symptoms may include red eyes, an itchy rash, sneezing, a runny nose, shortness of breath, or swelling. Food intolerances and food poisoning are separate conditions. Read more …
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J Emerg Med. 2010 Nov;39(5):701-7. doi: 10.1016/j.jemermed.2009.10.014. Epub 2010 Jan 4. The relationship of radiocontrast, iodine, and seafood allergies: a. Many people believe that you’ll be at risk for having an adverse reaction to iodine if you have a shellfish allergy. Instead, proteins such as parvalbumins in fish and tropomyosins in shellfish are responsible for seafood allergies. Some topical antiseptics contain povidone-iodine.
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Seafood allergies and shellfish allergy are not caused by iodine. You’re also not allergic to iodine just because you are allergic to shellfish or seafood. Shellfish and seafood also contain iodine, but that isn’t what’s responsible for food allergies. Patients are frequently asked about iodine or seafood allergy before IV contrast material is administered because of a commonly held belief among radiologists.
Equating an allergy to shellfish with an allergy to iodine is a fairly common misconception. Fish and radiographic contrast allergies are also erroneously equated with iodine allergies. Iodine is essential for proper thyroid function. The allergen in shellfish is a protein, not iodine. Could you send any and all reports you have documenting that a shellfish allergy does not require the operating room to avoid topical betadine.
Patients who are allergic to shellfish are no more likely to react to radiocontrast materials used in imaging than those with other allergies or. New research confirms that those with shellfish allergy are not more likely to react to radiocontrast material used to improve clarity on x-ray.
About 60 percent of people with shellfish allergy experience their first allergic But iodine is not what triggers the reaction in people who are allergic to shellfish. Having a reaction to an iodine-based contrast dye is also not the same as an allergy to seafood, which may be rich in iodine. If you’re reacting to shellfish, the.