Chemical Class phenothiazine derivative Effect Class hypnotic Actions anticholinergic histamine antagonist Medline Plus Web site MedlinePlus Sources synthetic Combinations amobarbital-glutethimide-promethazine meperidine-promethazine promethazine-scopolamine-hyoscyamine-atropine codeine-promethazine Trade name drugs - Choose - Anergan Atosil Avomine Daralix Diphergan Diprazins Eusedon mono Farganesse Frinova Goodnight Histantil Insomn-eze Lenazine Lergigan Phenergan Phergan Pipolphen PMS-Promethazine Pro-50 Prohist Prometasin Promethawern Promethazin Prothazin Receptozine Sominex Soporil Movies Mary and Max The War of the Roses