Thyroid nodules are caused by impaired thyroid function resulting in abnormal secretion of thyroid hormones resulting in abnormal hyperplasia of thyroid tissue caused by your current condition can stop taking medication need to consult with your attending physician, in the diet you try to light, do not eat spicy stimulating food, do not eat raw thyroid food, such as peanuts, walnuts, cabbage and other foods, I hope to be helpful to you.