Skip to main content

Diphenhydramine HYDROCHLORIDE

NDC 51662-1628 · HF Acquisition Co LLC, DBA HealthFirst

Generic nameDiphenhydramine HYDROCHLORIDE
Dosage formCAPSULE
RouteORAL
Active ingredient(s)DIPHENHYDRAMINE HYDROCHLORIDE
Strength25 mg/1
Pharmacologic classHistamine H1 Receptor Antagonists [MoA], Histamine-1 Receptor Antagonist [EPC]
Marketing categoryOTC MONOGRAPH DRUG

Packages

51662-1628-1 — 2 CAPSULE in 1 CARTON (51662-1628-1)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

51316-710 — Diphenhydramine hydrochloride, 51316-733 — Acetaminophen , Diphenhydramine Hydrochloride,Phenylephrine Hydrochloride, 51316-779 — Diphenhydramine Hydrochloride, 51316-799 — Diphenhydramine HCl, 51316-835 — Diphenhydramine Hydrochloride, 51316-863 — Acetaminophen, Diphenhydramine HCL, 51316-998 — Diphenhydramine Hydrochloride, 51662-1219 — DIPHENHYDRAMINE HYDROCHLORIDE, 51662-1348 — DIPHENHYDRAMINE HYDROCHLORIDE, 51662-1374 — DIPHENHYDRAMINE HYDROCHLORIDE, 51662-1674 — diphenhydramine hydrochloride, 51672-2089 — Diphenhydramine Hydrochloride and Zinc Acetate, 51824-056 — Diphenhydramine Hydrochloride, 51824-069 — Acetaminophen, Diphenhydramine HCl, 51824-088 — diphenhydramine hydrochloride and zinc acetate cream, 51824-102 — Diphenhydramine Hydrochloride, 51824-107 — Acetaminophen, Diphenhydramine HCl, 51824-108 — Acetaminophen, Diphenhydramine HCl, 51879-802 — Diphenhydramine Hydrochloride, 52000-071 — Itch Stopping Cream, +1029 more

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

Read from: FDA National Drug Code Directory, product.txt and package.txt (accessdata.fda.gov/cder/ndctext.zip) — Snapshot retrieved 2026-08-24, loaded 2026-08-24; CMS Medicare Part B Drug Average Sales Price (ASP) Pricing Files (cms.gov/medicare/payment/part-b-drugs/asp-pricing-files) -- the NDC-HCPCS crosswalk and Part B payment limit files — 2026 Q3 (July 2026 release). All data sources · How to read the labels