promethazine cough syrup medicine Things To Know Before You Buy
The average effective dose of Promethazine HCl Syrup (promethazine hydrochloride syrup basic) Basic for the Lively therapy of nausea and vomiting in children or adults is twenty five mg.When used for an extended time, this medication might not work too and will require different dosing. Chat with your physician if this medication stops working effe