FDA warning to Propylthiouracil
April 21, 2010 — The US Food and Drug Administration (FDA) has added a boxed warning to the drug label for propylthiouracil about reports of severe liver injury and acute liver failure, in some cases fatal, that have been reported in both adult and pediatric patients who used this drug.
Notice of the warning was sent today in an alert from MedWatch, the FDA's safety information and adverse event reporting program.
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