DIPHENHYDRAMINE HCL CAPSULE [PREFERRED PHARMACEUTICALS, INC.] Home DIPHENHYDRAMINE HCL CAPSULE [PREFERRED PHARMACEUTICALS, INC.] DIPHENHYDRAMINE HCL CAPSULE [PREFERRED PHARMACEUTICALS, INC.] PDF | XML NDC 68788-9687-0, 68788-9687-1, 68788-9687-3, 68788-9688-1, 68788-9688-3 Set ID 3ac0beba-303d-404e-bfec-0cf8c0e8624d Generic Name Product Class Product Number Application Number PART341 Related Drugs Search DailyMed Drugs