FDA label
What is propylthiouracil used for?
The FDA-approved uses of propylthiouracil, quoted from the Indications and Usage section of its DailyMed label.
Source: DailyMed SPL label file dated 2026-10-23. Publisher page
The FDA label says: “Propylthiouracil are indicated: • in patients with Graves’ disease with hyperthyroidism or toxic multinodular goiter who are intolerant of methimazole and for whom surgery or radioactive iodine therapy is not an appropriate treatment option • to ameliorate symptoms of hyperthyroidism in preparation for thyroidectomy or radioactive iodine therapy in patients who are intolerant of methimazole”
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Propylthiouracil, tablet
Indications and Usage, quoted from the label by Macleods Pharmaceuticals Limited (ANDA208867). Cross-references to other label sections are left out.
Propylthiouracil are indicated: • in patients with Graves’ disease with hyperthyroidism or toxic multinodular goiter who are intolerant of methimazole and for whom surgery or radioactive iodine therapy is not an appropriate treatment option • to ameliorate symptoms of hyperthyroidism in preparation for thyroidectomy or radioactive iodine therapy in patients who are intolerant of methimazole
Source: DailyMed label, set id a251e4cb-01f1-4fd8-bd30-362126b85073, version 2, effective September 20, 2024. NDC 33342-314, one of 6 listings for this product.
Questions
What is propylthiouracil used for?
The FDA label says: “Propylthiouracil are indicated: • in patients with Graves’ disease with hyperthyroidism or toxic multinodular goiter who are intolerant of methimazole and for whom surgery or radioactive iodine therapy is not an appropriate treatment option • to ameliorate symptoms of hyperthyroidism in preparation for thyroidectomy or radioactive iodine therapy in patients who are intolerant of methimazole”
What drug class is propylthiouracil?
FDA lists propylthiouracil in the Thyroid Hormone Synthesis Inhibitor established pharmacologic class.
Does this page cover off-label uses or dosing?
No. This page shows only the Indications and Usage section of the FDA label. Ask a pharmacist or prescriber about dosing.