Methimazole - hair loss?

Hair loss is a less serious side effect of Methimazole, but discuss it with your doctor at your next visit.

Other known side effects of methimazole are listed below:

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop taking methimazole and call your doctor at once if you have any of these serious side effects:
fever, chills, sore throat, body aches, flu symptoms; easy bruising or bleeding, unusual weakness; blood in your urine or stools; severe blistering, peeling, and red skin rash; or nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Less serious side effects may include:
headache, drowsiness, dizziness; mild nausea, vomiting, or stomach upset; itching, minor skin rash; muscle, joint, or nerve pain; swelling; or hair loss.

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This is not a complete list of side effects and others may occur.

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