NOT KNOWN DETAILS ABOUT DOES PROMETHAZINE COUGH SYRUP EXPIRE

The standard effective dose of Promethazine HCl Syrup (promethazine hydrochloride syrup basic) Plain for that Lively therapy of nausea and vomiting in children or adults is 25 mg.The U.S. Meals and Drug Administration commenced requiring manufacturers to include a black box warning detailing these side effects in 2004. They advise against promethaz