United States · FDA National Drug Code directory

Guaifenesin and Dextromethorphan HBr

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
51660-301_500a94a0-fecd-696a-e063-6394a90a931f
Product NDC
51660-301
Form
TABLET, EXTENDED RELEASE
Composition / generic term
Guaifenesin and Dextromethorphan HBr
Labeler
OHM LABORATORIES INC
Marketing category
ANDA
Marketing start / end (source format)
20210701
Source listing expiry
20271231

Source-listed ingredients

  • GUAIFENESIN — 600 mg/1
  • DEXTROMETHORPHAN HYDROBROMIDE — 30 mg/1

These values do not establish equivalence or a dose recommendation.

Packages

  • 1 BLISTER PACK in 1 CARTON (51660-301-21) / 20 TABLET, EXTENDED RELEASE in 1 BLISTER PACK · 51660-301-21
  • 2 BLISTER PACK in 1 CARTON (51660-301-41) / 20 TABLET, EXTENDED RELEASE in 1 BLISTER PACK · 51660-301-41
  • 3 BLISTER PACK in 1 CARTON (51660-301-61) / 20 TABLET, EXTENDED RELEASE in 1 BLISTER PACK · 51660-301-61

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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