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Mucus Relief DM Cough

NDC 50844-633 · L.N.K. International, Inc.

Generic nameDextromethorphan HBr and Guaifenesin
Dosage formTABLET, FILM COATED
RouteORAL
Active ingredient(s)DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN
Strength20; 400 mg/1; mg/1
Pharmacologic classDecreased Respiratory Secretion Viscosity [PE], Expectorant [EPC], Increased Respiratory Secretions [PE], Sigma-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

50844-633-11 — 1 BOTTLE, PLASTIC in 1 CARTON (50844-633-11) / 60 TABLET, FILM COATED in 1 BOTTLE, PLASTIC

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

50804-432 — Mucus Relief DM, 50804-503 — Acetaminophen, Dextromethorphan HBr, Guaifenesin, Phenylephrine HCl, 50804-672 — ACETAMINOPHEN, GUAIFENESIN, and PHENYLEPHRINE HYDROCHLORIDE, 50804-689 — Chlorpheniramine maleate, Dextromethorphan HBr, 50804-805 — ACETAMINOPHEN, GUAIFENESIN, and PHENYLEPHRINE HYDROCHLORIDE, 50844-004 — Dextromethorphan HBr, Guaifenesin, Phenylephrine HCl, 50844-043 — Dextromethorphan HBr, Doxylamine Succinate, 50844-251 — Acetaminophen, Dextromethorphan HBr, Phenylephrine HCl, 50844-252 — Acetaminophen, Dextromethorphan HBr, Doxylamine succinate, 50844-572 — Acetaminophen, Guaifenesin, Phenylephrine HCl, 50844-640 — Acetaminophen, Dextromethorphan HBr, Guaifenesin, Phenylephrine HCl, 50844-677 — Acetaminophen, Dextromethorphan HBr, Doxylamine succinate, Phenylephrine HCl, 50844-689 — Chlorpheniramine maleate, Dextromethorphan HBr, 50991-132 — Dextromethorphan HBr, Phenylephrine HCl, Pyrilamine Maleate, 50991-136 — Triprolidine HCl, Dextromethorphan HBr, 50991-142 — Dexbrompheniramine Maleate, Dextromethorphan Hydrobromide and Pseudoephedrine Hydrochloride, 50991-212 — Guaifenesin and Pseudoephedrine HCl, 50991-214 — Dextromethorphan HBr, Guaifenesin and Pseudoephedrine HCl, 50991-271 — DEXCHLORPHENIRAMINE MALEATE AND DEXTROMETHORPHAN HBR, 50991-444 — Dextromethorphan HBr, Pheniramine Maleate, Phenylephrine HCl, +2508 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