Promethazine HCl 25mg/mL, 50mg/mL; sol for IM or IV inj; contains sulfites. Sulfite sensitivity. CNS depression. Impaired respiratory function (eg, COPD, sleep apnea). Narrow-angle glaucoma. GI or GU ...

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 ...

The drug is also used along with other medications for pain after surgery. It can also be used to achieve sedation (a state of relaxation) in certain cases, such as before surgery. Promethazine is ...