US FDA adds boxed warning related to liver damage with old thyroid drug
This article was originally published in Scrip
Executive Summary
The US FDA has added a boxed warning to the data sheet for generic drug propylthiouracil (PTU), a therapy for hyperthyroidism due to Graves' disease, which will include reports of severe liver injury and acute liver failure, some of which have been fatal, in adult and paediatric patients using the medication.