United States · FDA National Drug Code directory
Guaifenesin
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
- 51660-566_4aa4fb35-6f33-6e33-e063-6394a90a495e
- Product NDC
- 51660-566
- Form
- TABLET, EXTENDED RELEASE
- Composition / generic term
- Guaifenesin
- Labeler
- Ohm Laboratories, Inc.
- Marketing category
- ANDA
- Marketing start / end (source format)
- 20220401
- Source listing expiry
- 20271231
Source-listed ingredients
- GUAIFENESIN — 600 mg/1
These values do not establish equivalence or a dose recommendation.
Packages
- 20 TABLET, EXTENDED RELEASE in 1 CARTON (51660-566-21) · 51660-566-21
- 40 TABLET, EXTENDED RELEASE in 1 CARTON (51660-566-41) · 51660-566-41
- 68 TABLET, EXTENDED RELEASE in 1 CARTON (51660-566-68) · 51660-566-68
Source and coverage
Open FDA National Drug Code directory →
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.
Browse United States records →