METHIMAZOLE lowers the amount of thyroid hormone made by the thyroid gland. It treats hyperthyroidism (where the thyroid gland makes too much hormone). It also is used before thyroid surgery or radioactive iodine treatment.
Follow the directions on the prescription label. You can take this medicine with or without food. However, you should always take it the same way to make sure the effects are the same. Take your doses at regular intervals. Do not take your medicine more often than directed. Do not stop taking this medicine except on the advice of your doctor or health care professional. Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed. While this drug may be prescribed for children for selected conditions, precautions do apply.
Side effects that you should report to your doctor or health care professional as soon as possible: -allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue) -breathing problems -fever or chills, sore throat -joint pain -numbness or tingling in the hands or feet -redness, blistering, peeling or loosening of the skin, including inside the mouth -signs and symptoms of liver injury like dark yellow or brown urine; general ill feeling or flu-like symptoms; light-colored stools; loss of appetite; nausea; right upper belly pain; unusually weak or tired; yellowing of the eyes or skin -unusual bleeding or bruising Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome): -change in taste -dizziness -hair loss -headache -nausea, vomiting.