Think you have an iodine allergy? You may want to reconsider. [PODCAST] “Iodine-based contrast agents are widely used for CT and other X-ray studies. They light up blood vessels and enhance perfusing tissue. These agents are essential for diagnosing everything from clots, to tumor, to bleeding. Unfortunately, many patients do not get contrast studies they may benefit from, due to unnecessary confusion about allergies. The most important step to avoiding confusion is to start calling contrast agents by their names, as you would do for any other drug, and to remove ‘iodine’ from your alle...