Chemical Name: METHIMAZOLE (meth-IM-a-zole)

Tapazole is used to treat hyperthyroidism, a condition that occurs when the thyroid gland produces too much thyroid hormone.

SIDE EFFECTS that may occur while taking this medication includes skin rash, itching, abnormal hair loss, upset stomach, vomiting, loss of taste, abnormal sensations, swelling, joint and muscle pain, drowsiness, dizziness, decreased white blood cells and decreased platelets.