Active substance
Diphenhydramine Hcl 50mg
3 products from 3 companies contain this in United States.
3 without prescriptionCapsule, Liquid FilledCapsule
Available without a prescription
Nighttime Sleep Aid50 mgWithout prescription PuraCap Pharmaceutical LLC · Diphenhydramine Hcl 50mgNighttime Sleep Aid50 mgWithout prescription Grocery Outlet · Diphenhydramine Hcl 50mgPharbedryl50 mgWithout prescription Ulai Health LLC · Diphenhydramine Hcl 50mg
Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.