Drug information provided by: Merative, Micromedex®
Propylthiouracil is used to treat Graves' disease and hyperthyroidism, a condition where the thyroid gland produces too much thyroid hormone. It is also used before thyroid surgery or radioactive iodine treatment in patients who have already been treated with other medicines (e.g., methimazole) that did not work well.
Propylthiouracil is an antithyroid medicine. It works by making it harder for the body to use iodine to make thyroid hormone. It does not block the effects of thyroid hormone that was made by the body before its use was begun.
This medicine is available only with your doctor’s prescription.
This product is available in the following dosage forms:
Portions of this document last updated: Sept. 01, 2023
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