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Antihistamine

NDC 77333-227 · Gendose Pharmaceuticals, LLC

Generic nameDiphenhydramine HCl
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

77333-227-10 — 100 BLISTER PACK in 1 BOX (77333-227-10) / 1 CAPSULE in 1 BLISTER PACK (77333-227-25)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

76162-201 — Diphenhydramine HCl, 76162-438 — Diphenhydramine hydrochloride, 76162-911 — DIPHENHYDRAMINE HYDROCHLORIDE, 76168-015 — diphenhydramine hydrochloride, 76168-065 — Diphenhydramine, 76168-119 — Acetaminophen PM, 76168-121 — Diphenhydramine Hydrochloride, 76281-505 — DIPHENHYDRAMINE HYDROCHLORIDE, 76281-522 — Diphenhydramine HCI, 76457-002 — DIPHENHYDRAMINE HYDROCHLORIDE, 77333-231 — Diphenhydramine HCl, 79481-0122 — Diphenhydramine HCl, 79481-0148 — Diphenhydramine hydrochloride, 79481-0149 — Acetaminophen, Diphenhydramine hydrochloride, 79481-0151 — Diphenhydramine hydrochloride, 79481-0174 — Acetaminophen, Diphenhydramine Hydrochloride, 79481-0598 — Diphenhydramine HCl and Zinc Acetate, 79481-0779 — Diphenhydramine hydrochloride, 79481-0880 — Diphenhydramine HCl, 79903-050 — Acetaminophen, Diphenhydramine HCl, +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