United States · FDA National Drug Code directory

Mucus Relief DM Maximum Strength

A source-listed medicine record.

Factual source checks only. This page is not a clinically reviewed monograph. Historical or discontinued records may be included; listing does not confirm approval, current availability or pharmacy stock.

Medicine identity

Source reference: 55910-505_4b3dc87e-0a8e-4d8f-852a-962dd6cddcb5
Product NDC: 55910-505
Form: LIQUID
Composition / generic term: Dextromethorphan HBr, Guaifenesin
Labeler: Dolgencorp, Inc. (DOLLAR GENERAL & REXALL)
Marketing category: OTC MONOGRAPH DRUG
Marketing start / end (source format): 20160331 / 20261231

Source-listed ingredients

DEXTROMETHORPHAN HYDROBROMIDE — 20 mg/20mL
GUAIFENESIN — 400 mg/20mL

These values do not establish equivalence or a dose recommendation.

Packages

266 mL in 1 BOTTLE, PLASTIC (55910-505-08) · 55910-505-08

Source and coverage

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Snapshot retrieved: 2026-09-17. This is the acquisition date, not a medical review date.

Clinical information, images and comparisons appear only when separately reviewed for this record. Coverage may be incomplete. Ask a pharmacist or clinician about your treatment.

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