Iodine is one of the most controversial topics in the thyroid world. Some people say you should avoid it, others say you should take high doses, and others (like me) recommend small daily doses to keep your thyroid functioning optimally. But what happens if you take iodine and experience side effects? What do you do then? Learn more about iodine-related side effects in this article, what causes them, how to avoid them, and what they mean for your body. See the full list of side effects here.