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Diphenhydramine HCl

NDC 51316-221 · CVS Pharmacy, Inc.

Generic nameDiphenhydramine HCl
Dosage formTABLET, COATED
RouteORAL
Active ingredient(s)DIPHENHYDRAMINE HYDROCHLORIDE
Strength50 mg/1
Pharmacologic classHistamine H1 Receptor Antagonists [MoA], Histamine-1 Receptor Antagonist [EPC]
Marketing categoryOTC MONOGRAPH DRUG

Packages

51316-221-08 — 2 BLISTER PACK in 1 CARTON (51316-221-08) / 12 TABLET, COATED in 1 BLISTER PACK

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

50844-329 — Diphenhydramine HCl, 50844-556 — Acetaminophen, Diphenhydramine HCl, 51013-817 — Diphenhydramine HCl 50mg, 51027-0330 — diphenhydramine hydrochloride, menthol, 51316-150 — Diphenhydramine HCl, 51316-153 — Diphenhydramine HCl, 51316-154 — Diphenhydramine HCl, 51316-180 — Diphenhydramine HCl, 51316-186 — DIPHENHYDRAMINE HYDROCHLORIDE, 51316-191 — DIPHENHYDRAMINE HYDROCHLORIDE, 51316-347 — Diphenhydramine Hydrochloride, 51316-367 — Diphenhydramine HCl, 51316-485 — Diphenhydramine HCl, Phenylephrine HCl, 51316-561 — Acetaminophen, Diphenhydramine HCl, 51316-687 — Diphenhydramine HCI 25 mg, 51316-710 — Diphenhydramine hydrochloride, 51316-733 — Acetaminophen , Diphenhydramine Hydrochloride,Phenylephrine Hydrochloride, 51316-779 — Diphenhydramine Hydrochloride, 51316-799 — Diphenhydramine HCl, 51316-835 — Diphenhydramine Hydrochloride, +1029 more

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.