Keywords: contrast media, iodine, shellfish (PubMed Search)
Many patients will report that they have a allergy to iodinated contrast by saying that they are allergic to iodine
Iodine, itself, is not an allergen and is a required element for thyroid homrone production. Plus could you imagine the hordes of people that would be having allergic reactions everyday when they add salt to their french fries. Our EDs would be completely swamped.
A recent meta-analysis by Drs. Schabelman and Witting also showed the following:
As we enter Crab eating season in Maryland, lets stop giving shellfish a bad name. A patent with any allergy is at increased risk, but shellfish is no higher a risk than those allergic to Strawberries.
Schabelman E, Witting M. The relationship of radiocontrast, iodine, and seafood allergies: a medical myth exposed.J Emerg Med. 2010 Nov;39(5):701-7. Epub 2010 Jan 4.