Methimazole
Methimazole
Methimazole (pronounced: meh-THIM-uh-zohl) is a medication used to treat hyperthyroidism, a condition where the thyroid gland produces too much thyroid hormone. It belongs to a class of drugs known as antithyroid agents.
Etymology
The term "Methimazole" is derived from its chemical name, 1-methyl-2-mercaptoimidazole. The "-azole" suffix is common in many antifungal and antibacterial drugs, indicating the presence of an azole ring in their chemical structure.
Usage
Methimazole works by preventing the thyroid gland from over-producing hormones. It is often used in patients with Graves' disease, an autoimmune disorder that is the most common cause of hyperthyroidism. Methimazole is also used before thyroid surgery or radioactive iodine therapy to lower thyroid hormone levels and reduce symptoms.
Side Effects
Common side effects of Methimazole include nausea, vomiting, stomach upset, headache, dizziness, or drowsiness. Serious side effects are rare but can include liver disease, decreased white blood cells (which can lead to infections), and decreased platelets (which can lead to bleeding).
Related Terms
- Hyperthyroidism: A condition in which the thyroid gland produces too much thyroid hormone.
- Graves' disease: An autoimmune disorder that is the most common cause of hyperthyroidism.
- Antithyroid agents: A class of drugs used to treat hyperthyroidism.
External links
- Medical encyclopedia article on Methimazole
- Wikipedia's article - Methimazole
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