Which medication is used in the treatment of hypothyroidism?
a. Levothyroxine (Synthroid)
b. Radioactive iodine
c. Propylthiouracil (Propacil)
d. Methimazole (Tapazole)
ANS: A
Levothyroxine (T4) is one of the two primary hormones secreted by the thyroid gland. This hormone is partially metabolized to liothyronine (T3), so therapy with levothyroxine (Synthroid) replaces both hormones. Levothyroxine is considered the drug of choice for hormone replacement in hypothyroidism. Radioactive iodine, propylthiouracil, and methimazole are used to treat hyperthyroidism.
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