The FDA has notified healthcare professionals that a Boxed Warning is being added to the prescribing information for promethazine hydrochloride products, describing the risks of severe tissue injury, ...

Promethazine (Phenadoz, Phenergan, Promethegan) can cause gangrene and should only be used in a deep intramuscular injection, according to a warning from the U.S. FDA. Promethazine is used in ...

An old drug with a wide range of uses now has a new FDA alert that could spare patients from some severe reactions. The FDA communication covers promethazine hydrochloride, a medicine approved for ...

Jan. 4, 2006 — The US Food and Drug Administration (FDA) approved in November 2005 first-time generic formulations of promethazine HCl 12.5-, 25-, and 50-mg tablets for approved indications in ...