SLEEP AID NIGHTTIME (DIPHENHYDRAMINE HCL) LIQUID [P & L DEVELOPMENT, LLC] Home SLEEP AID NIGHTTIME (DIPHENHYDRAMINE HCL) LIQUID [P & L DEVELOPMENT, LLC] SLEEP AID NIGHTTIME (DIPHENHYDRAMINE HCL) LIQUID [P & L DEVELOPMENT, LLC] PDF | XML NDC 49580-0314-6 Set ID 4144b1a6-aeae-4560-a997-b07206d80350 Generic Name Product Class Product Number Application Number PART341 Related Drugs Search DailyMed Drugs