A fancy looking v on one side and the other side has a split down the middle with 51 on one side and 37 on the other

Not Medical Advice: A round white pill with a V on one side and a 51 and 37 on the other side is 25 mg promethazine hydrochloride used in treating nausea.
Answered by kgb agent Jennifer M on Friday, August 24 2012 at 12:15AM EDT