Theraflu Relief Max Strength

NDC 51316-539 · CVS PHARMACY

Generic nameAcetaminophen, Dextromethorphan HBr

Dosage formPOWDER, FOR SOLUTION

RouteORAL

Active ingredient(s)ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE

Strength1000; 30 mg/1; mg/1

Pharmacologic classSigma-1 Agonist [EPC], Sigma-1 Receptor Agonists [MoA], Uncompetitive N-methyl-D-aspartate Receptor Antagonist [EPC], Uncompetitive NMDA Receptor Antagonists [MoA]

Marketing categoryOTC MONOGRAPH DRUG

Packages

51316-539-06 — 1 POWDER, FOR SOLUTION in 1 PACKET (51316-539-06)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

51316-477 — Acetaminophen, dextromethorphan HBr, doxylamine succinate, phenylephrine HCl, 51316-499 — Dextromethorphan HBr, Doxylamine Succinate, 51316-500 — Dextromethorphan HBr, Guaifenesin, 51316-504 — acetaminophen, 51316-513 — brompheniramine maleate, dextromethorphan hydrobromide, 51316-516 — Acetaminophen, Guaifenesin, Phenylephrine HCl, 51316-525 — Acetaminophen, Dextromethorphan HBr, Guaifenesin, Phenylephrine HCl, 51316-526 — ACETAMINOPHEN, DEXTROMETHORPHAN HBR, DOXYLAMINE SUCCINATE, PHENYLEPHRINE HCL, 51316-530 — Acetaminophen, Dextromethorphan HBr, Guaifenesin, Phenylephrine HCl, 51316-533 — acetaminophen, dextromethorphan hydrobromide, doxylamine succinate, phenylephrine hydrochloride, 51316-546 — Acetaminophen, Dextromethorphan HBr, Guaifenesin, Phenylephrine HCl, 51316-549 — Acetaminophen, Chlorpheniramine Maleate and Dextromethophan HBr, 51316-552 — Dextromethorphan HBr, Guaifenesin, 51316-561 — Acetaminophen, Diphenhydramine HCl, 51316-569 — Acetaminophen, 51316-578 — Brompheniramine maleate, Dextromethorphan, Phenylephrine HCl, 51316-600 — Guaifenesin and Dextromethorphan Hydrobromide, 51316-606 — Acetaminophen, 51316-613 — acetaminophen, dextromethorphan hydrobromide, guaifenesin, phenylephrine hydrochloride, 51316-617 — ACETAMINOHPEN, DEXTROMETHORPHAN HBr, PHENYLEPHRINE HCL, +4418 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