Does a shellfish allergy automatically necessitate avoiding medical procedures involving iodine-containing radiocontrast dye?
Answer
No, allergic reactions are due to proteins, not iodine content.
A common misconception surrounding shellfish allergies involves iodine sensitivity. Allergic reactions to shellfish—whether they are crustaceans or mollusks—are triggered by specific proteins like tropomyosin, not by the iodine content naturally found within the seafood. Therefore, having a confirmed shellfish allergy does not mandate avoiding medical procedures that utilize radiocontrast dye containing iodine. This distinction is important for reducing unnecessary anxiety related to necessary medical diagnostics and treatments.
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