Methimazole (Oral)
Key points
- Treats hyperthyroidism (too much thyroid hormone produced by the thyroid gland).
- You should not use this medicine if you have had an allergic reaction to methimazole or carbimazole, or if you are pregnant or breastfeeding.
- Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Methimazole (By Mouth)
Methimazole (meth-IM-a-zole)
Treats hyperthyroidism (too much thyroid hormone produced by the thyroid gland).
Brand Name(s):
Tapazole
There may be other brand names for this medicine.
When This Medicine Should Not Be Used:
You should not use this medicine if you have had an allergic reaction to methimazole or carbimazole, or if you are pregnant or breastfeeding.
How to Use This Medicine:
Tablet
- Your doctor will tell you how much of this medicine to take and how often. Do not take more medicine or take it more often than your doctor tells you to.
- You may take this medicine with or without food.
- It is best to take this medicine at the same time every day.
If a dose is missed::
- If you miss a dose or forget to take your medicine, take it as soon as you can. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose.
- Do not use extra medicine to make up for a missed dose.
How to Store and Dispose of This Medicine:
- Store the medicine at room temperature, away from heat, moisture, and direct light.
- Keep all medicine out of the reach of children and never share your medicine with anyone.
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Make sure your doctor knows if you are using a blood thinner (Coumadinreg;), blood pressure medicine (such as atenolol, metoprolol, propranolol, Corgardreg;, Inderalreg;, Lopressorreg;, Toprolreg;, Tenorminreg;), digoxin (Lanoxinreg;), or theophylline (Theo-Durreg;).
Warnings While Using This Medicine:
- Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant. If you think you have become pregnant while using the medicine, tell your doctor right away.
Written and revised by
Gerald Hurowitz, M.D.
Our doctors write and review articles for accuracy and keep them up to date.
health.am provides general information, not medical advice. Always consult a qualified health professional about your own health.