Mucus DM

NDC 46122-420 · Amerisource Bergen

Generic nameGuaifenesin and Dextromethorphan HBr

Dosage formTABLET, EXTENDED RELEASE

RouteORAL

Active ingredient(s)GUAIFENESIN, DEXTROMETHORPHAN HYDROBROMIDE

Strength60; 1200 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 categoryANDA

Packages

46122-420-03 — 4 BLISTER PACK in 1 CARTON (46122-420-03) / 7 TABLET, EXTENDED RELEASE in 1 BLISTER PACK

46122-420-74 — 2 BLISTER PACK in 1 CARTON (46122-420-74) / 7 TABLET, EXTENDED RELEASE in 1 BLISTER PACK

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

45737-251 — Dextromethorphan Hydrobromide, Guaifenesin, 45802-433 — dextromethorphan polistirex, 46122-136 — Acetaminophen, Dextromethorphan HBr, Doxylamine succinate, 46122-141 — dextromethorphan polistirex, 46122-198 — Acetaminophen, Dextromethorphan HBr, Doxylamine succinate, 46122-245 — Acetaminophen, Dextromethorphan HBr, Doxylamine succinate, 46122-410 — ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, and PHENYLEPHRINE HYDROCHLORIDE, 46122-412 — ACETAMINOPHEN, GUAIFENESIN, and PHENYLEPHRINE HYDROCHLORIDE, 46122-415 — ACETAMINOPHEN, GUAIFENESIN, and PHENYLEPHRINE HYDROCHLORIDE, 46122-418 — ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, and PHENYLEPHRINE HYDROCHLORIDE, 46122-541 — Dextromethorphan Hydrobromide, Guaifenesin, 46122-637 — dextromethorphan HBr, guaifenesin, 46122-683 — Guaifenesin, 46122-700 — Guaifenesin/phenylephrine, 46122-704 — dextromethorphan hydrobromide, guaifenesin, 46122-705 — Chlorpheniramine maleate, Dextromethorphan HBr, 46122-712 — ACETAMINOPHEN, GUAIFENESIN, and PHENYLEPHRINE HYDROCHLORIDE, 46122-750 — Guaifenesin, 46122-782 — Dextromethorphan HBr, Guaifenesin, 46122-783 — dextromethorphan hydrobromide and 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.