Iohexol Levothyroxine Sodium
ModerateIohexol can throw off some thyroid blood tests, but not all of them. Tests that don't depend on measuring iodine, such as the T3 resin uptake or direct thyroxine assays, are not affected.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.