Maximum Strength Mucus Relief DM

NDC 49035-839 · Wal-Mart Stores,Inc.,

Generic nameDextromethorphan hydrobromide and Guaifenesin

Dosage formLIQUID

RouteORAL

Active ingredient(s)DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN

Strength20; 400 mg/20mL; mg/20mL

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

49035-839-06 — 180 mL in 1 BOTTLE (49035-839-06)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

49035-708 — acetaminophen, dextromethorphan hydrobromide, doxylamine succinate, phenylephrine hydrochloride, 49035-715 — Dextromethorphan HBr, Guaifenesin, Phenylephrine HCl, 49035-726 — acetaminophen, dextromethorphan hydrobromide, phenylephrine hydrochloride, 49035-771 — Acetaminophen, Dextromethorphan Hydrobromide, Guaifenesin ,Phenylephrine HCL, 49035-772 — Acetaminophen, Dextromethorphan HBr, Guaifenesin, Phenylephrine HCl, 49035-773 — Dextromethorphan HBr, Guaifenesin, 49035-774 — dextromethorphan hydrobromide, guaifenesin, and phenylephrine hydrochloride, 49035-807 — acetaminophen, dextromethorphan hydrobromide, doxylamine succinate, phenylephrine hydrochloride, 49035-813 — acetaminophen, dextromethorphan hydrobromide, guaifenesin, phenylephrine hydrochloride, 49035-824 — Guaifenesin, Dextromethorphan HBr, 49035-899 — Dextromethorphan polistirex, 49035-907 — Acetaminophen, Dextromethorphan HBr, Phenylephrine HCl, 49035-930 — Dextromethorphan HBr, Guaifenesin, 49035-943 — Dextromethorphan HBr, Doxylamine Succinate, 49035-956 — Guaifenesin and Dextromethorphan HBr, 49035-960 — Guaifenesin and Dextromethorphan HBr, 49035-976 — dextromethorphan hydrobromide, guaifenesin, and phenylephrine hydrochloride, 49035-978 — Acetaminophen, Dextromethorphan HBr, Doxylamine succinate, 49348-728 — Dextromethorphan Hydrobromide / Guaifenesin, 49348-729 — Guaifenesin, +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