Marcs Chest Congestion Relief

NDC 68998-114 · Marc Glassman Inc

Generic nameDextromethorphan Hydrobromide / Guaifenesin

Dosage formTABLET

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

68998-114-50 — 1 BOTTLE in 1 CARTON (68998-114-50) / 50 TABLET in 1 BOTTLE

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

68391-812 — dextromethorphan HBr, guaifenesin, 68436-120 — Sorbutuss, 68788-4094 — brompheniramine maleate, dextromethorphan hydrobromide, 68788-8100 — Promethazine Hydrochloride and Dextromethorphan Hydrobromide Oral Solution, 68788-8134 — Brompheniramine maleate, Dextromethorphan HBr, Phenylephrine HCl, 68788-8268 — dextromethorphan hydrobromide, guaifenesin, 68788-8300 — dextromethorphan hydrobromide, guaifenesin, 68788-8303 — dextromethorphan hydrobromide, guaifenesin, 68788-8331 — Brompheniramine maleate, Dextromethorphan HBr, Phenylephrine HCl, 68788-8361 — Guaifenesin and Codeine Phosphate, 68998-139 — ACETAMINOPHEN, CHLORPHENIRAMINE MALEATE, DEXTROMETHORPHAN HYDROBROMIDE, and PHENYLEPHRINE HYDROCHLORIDE, 68998-175 — ACETAMINOPHEN, GUAIFENESIN, and PHENYLEPHRINE HYDROCHLORIDE, 68998-219 — ACETAMINOPHEN, GUAIFENESIN, and PHENYLEPHRINE HYDROCHLORIDE, 68998-238 — ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, and PHENYLEPHRINE HYDROCHLORIDE, 68998-263 — ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, and PHENYLEPHRINE HYDROCHLORIDE, 68998-275 — ACETAMINOPHEN, GUAIFENESIN, and PHENYLEPHRINE HYDROCHLORIDE, 68998-845 — Guaifenesin, 68999-302 — Brompheniramine Maleate, Pseudoephedrine Hydrochloride, and Dextromethorphan Hydrobromide, 69168-319 — Acetaminophen,Chlorpheniramine maleate, Dextromethorphan HBr and Phenylephrine HCI, 69168-324 — Acetaminophen, Dextromethorphan HBr, 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