Propylthiouracil

**Definition:** A thiourea antithyroid agent. Propythiouracil inhibits the synthesis of thyroxine and inhibits the peripheral conversion of throxine to tri-iodothyronine. It is used in the treatment of hyperthyroidism. (From Martindale, The Extra Pharmacopeoia, 30th ed, p534)

**Tree numbers:** - D03.383.742.698.875.842.708

**Synonyms:** - 6-Propyl-2-Thiouracil