SLEEP AID MAXIMUM STRENGTH (DIPHENHYDRAMINE HCL) CAPSULE [P & L DEVELOPMENT, LLC] Home SLEEP AID MAXIMUM STRENGTH (DIPHENHYDRAMINE HCL) CAPSULE [P & L DEVELOPMENT, LLC] SLEEP AID MAXIMUM STRENGTH (DIPHENHYDRAMINE HCL) CAPSULE [P & L DEVELOPMENT, LLC] PDF | XML NDC 59726-635-64 Set ID fbc581b3-59c6-41d4-8e64-a8f2d5e2c911 Generic Name Product Class Product Number Application Number PART341 Related Drugs Search DailyMed Drugs