United States · FDA National Drug Code directory

DM Maximum

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
51316-310_0410ed84-795c-4beb-9a66-be9b3bdd2d98
Product NDC
51316-310
Form
SOLUTION
Composition / generic term
Dextromethorphan HBr, Guaifenesin
Labeler
CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED
Marketing category
OTC MONOGRAPH DRUG
Marketing start / end (source format)
20240925 / 20280331

Source-listed ingredients

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

These values do not establish equivalence or a dose recommendation.

Packages

  • 177 mL in 1 BOTTLE, PLASTIC (51316-310-45) · 51316-310-45

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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