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Nighttime Sleep Aid

NDC 50844-200 · L.N.K. International, Inc.

Generic nameDiphenhydramine HCl

Dosage formSOLUTION

RouteORAL

Active ingredient(s)DIPHENHYDRAMINE HYDROCHLORIDE

Strength50 mg/30mL

Pharmacologic classHistamine H1 Receptor Antagonists [MoA], Histamine-1 Receptor Antagonist [EPC]

Marketing categoryOTC MONOGRAPH DRUG

Packages

50844-200-02 — 355 mL in 1 BOTTLE, PLASTIC (50844-200-02)

50844-200-96 — 2 BOTTLE, PLASTIC in 1 PACKAGE (50844-200-96) / 355 mL in 1 BOTTLE, PLASTIC

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

50580-608 — acetaminophen and diphenhydramine hydrochloride, 50580-843 — diphenhydramine hydrochloride, 50594-863 — Acetaminophen, Diphenhydramine HCL, 50804-048 — Allergy Relief, 50804-064 — Diphenhydramine HCl, Zinc Acetate, 50804-091 — Diphenhydramine HCl, 50804-410 — Sleep Aid, 50804-825 — Acetaminophen and Diphenhydramine Hydrochloride, 50804-860 — Diphenhydramine HCl, 50844-015 — Diphenhydramine HCl, 50844-229 — Diphenhydramine HCl, 50844-235 — Acetaminophen, Diphenhydramine HCl, 50844-250 — Diphenhydramine HCl, 50844-256 — Acetaminophen, Diphenhydramine HCl, 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, +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