Chest Congestion Relief

NDC 0536-1313 · RUGBY LABORATORIES

Generic nameDextromethorphan Hydrobromide, Guaifenesin

Dosage formLIQUID

RouteORAL

Active ingredient(s)DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN

Strength10; 100 mg/5mL; mg/5mL

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

0536-1313-85 — 473 mL in 1 BOTTLE (0536-1313-85)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

0485-0204 — Brompheniramine Maleate, Dextromethorphan Hydrobromide, Phenylephrine Hydrochloride, 0485-0208 — GUAIFENESIN and PHENYLEPHRINE, 0485-0240 — CHLORPHENIRAMINE MALEATE, DEXTROMETHORPHAN HYDROBROMIDE, and PHENYLEPHRINE HYDROCHLORIDE, 0536-1161 — Guaifenesin, Dextromethorphan HBr, 0536-1163 — Guaifenesin, 0536-1213 — Guaifenesin, Dextromethorphan HBr, 0536-1249 — Guaifenesin, 0536-1309 — Guaifenesin/phenylephrine, 0536-1311 — Guaifenesin, 0536-1312 — Dextromethorphan Hydrobromide / Guaifenesin, 0536-1314 — Guaifenesin, 0536-1333 — Guaifenesin and Pseudoephedrine Hydrochloride, 0536-1334 — Dextromethorphan HBr, 0536-1348 — dextromethorphan hydrobromide, guaifenesin, 0536-1392 — Guaifenesin, 0536-1430 — Guaifenesin, 0536-1446 — dextromethorphan hydrobromide, guaifenesin, 0536-1447 — dextromethorphan hydrobromide, guaifenesin, 0536-1449 — guaifenesin and pseudoephedrine hydrochloride, 0536-1451 — 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.