What it means
PTU is a common short name for propylthiouracilproh-pil-thy-oh-YOOR-uh-silAn antithyroid drug taken by mouth that lowers the amount of thyroid hormone the body makes.Full entry . ISMP lists it as error-prone because it has been mistaken for Purinethol, a brand of mercaptopurine, a cancer drug. The full drug name should be written in orders and records.
For the nurse
If an order says PTU, clarify the drug name with the prescriber before giving it.
Related terms
hyperthyroidism
A condition in which the thyroid gland makes too much thyroid hormone.
propylthiouracil
An antithyroid drug taken by mouth that lowers the amount of thyroid hormone the body makes.