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  • Basic Info
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Generic: methimazole
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It prevents the thyroid gland from producing too much thyroid hormone

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What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • black, tarry stools
  • fever, sore throat, hoarseness
  • numbness or tingling in the hands or feet
  • severe redness or itching of the skin, or dry cracked skin
  • stomach pain
  • swelling of the feet or legs
  • unusual bleeding or bruising, pinpoint red spots on the skin
  • unusual or sudden weight increase
  • unusually weak or tired
  • yellowing of skin or eyes

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • headache
  • nausea, vomiting
  • mild skin rash, itching
  • muscle aches and pains

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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