DIPHENHYDRAMINE HYDROCHLORIDE CAPSULE [PREFERRED PHARMACEUTICALS, INC.] Home DIPHENHYDRAMINE HYDROCHLORIDE CAPSULE [PREFERRED PHARMACEUTICALS, INC.] DIPHENHYDRAMINE HYDROCHLORIDE CAPSULE [PREFERRED PHARMACEUTICALS, INC.] PDF | XML NDC 68788-9697-1, 68788-9697-3, 68788-9698-3 Set ID 30b44840-3357-4eea-a165-385f8c7939c5 Generic Name Product Class Product Number Application Number PART341 Related Drugs Search DailyMed Drugs