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Pain Reliever PM

NDC 83324-166 · QUALITY CHOICE (Chain Drug Marketing Association)

Generic nameAcetaminophen Diphenhydramine HCl
Dosage formTABLET, COATED
RouteORAL
Active ingredient(s)ACETAMINOPHEN, DIPHENHYDRAMINE HYDROCHLORIDE
Strength500; 25 mg/1; mg/1
Pharmacologic classHistamine H1 Receptor Antagonists [MoA], Histamine-1 Receptor Antagonist [EPC]
Marketing categoryOTC MONOGRAPH DRUG

Packages

83324-166-50 — 1 BOTTLE, PLASTIC in 1 BOX (83324-166-50) / 50 TABLET, COATED in 1 BOTTLE, PLASTIC

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

83324-145 — Acetaminophen Dextromethorphan HBr Phenylephrine HCl, 83324-148 — Acetaminophen Dextromethorphan HBr Doxylamine Succinate, 83324-149 — Acetaminophen and Ibuprofen, 83324-151 — Diphenhydramine HCl, 83324-158 — Acetaminophen Dextromethorphan HBr Doxylamine Succinate, 83324-159 — Acetaminophen Dextromethorphan HBr Doxylamine Succinate, 83324-161 — Acetaminophen, 83324-162 — Acetaminophen, Dextromethorphan hydrobromide, Guaifenesin, Phenylephrine hydrochloride, 83324-163 — Acetaminophen Dextromethorphan HBr Doxylamine Succinate, 83324-164 — Acetaminophen Dextromethorphan HBr Doxylamine Succinate, 83324-167 — Acetaminophen Dextromethorphan HBr Phenylephrine HCl, 83324-168 — Acetaminophen Dextromethorphan HBr Phenylephrine HCl, 83324-178 — Acetaminophen and Ibuprofen, 83324-224 — Acetaminophen, Dextromethorphan hydrobromide, Doxylamine succinate, Phenylephrine hydrochloride, 83324-280 — Diphenhydramine HCl, 83324-302 — Diphenhydramine HCl and Zinc Acetate, 83324-326 — Diphenhydramine HCl, 83324-331 — Acetaminophen, Aspirin, Caffeine, 83324-336 — DIPHENHYDRAMINE HYDROCHLORIDE, 83324-339 — Diphenhydramine hydrochloride, +4329 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