The short version
4 companies supply this market — a reasonable cushion if one runs into trouble.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Mucus Relief DM Cough
Dextromethorphan HBr and Guaifenesin · DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 mg/1 · Tablet, Film Coated · Oral · L.N.K. International, Inc.
NDC 50844-0633-11 · 1 BOTTLE, PLASTIC in 1 CARTON / 60 TABLET, FILM COATED in 1 BOTTLE, PLASTIC · OTC MONOGRAPH DRUG · View full market →
Medicare Part D
Medicare Part D does not cover over-the-counter drugs — by law it pays only for products requiring a prescription.
How Part D pricing works →NADAC price per unit
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Supply fragility
Not scored — fragility is computed for NADAC-priced NDCs.
90-day shortage risk (model v2)
0.1%chance of a new FDA shortage posting for guaifenesin and dextromethorphan hbr (oral solid) in the next 90 days
sole-source market
For scale: the typical drug’s chance is about 0.1% — this one is in ordinary territory.
Backtested statistical model over the whole market, not this package alone. Model details →
Regulatory
- Application
- M012
- TE code
- —
- Approval date
- —
- Patents / exclusivity
- None on file
Shortage history
No FDA shortage reports for this drug or its presentations.
Recalls (this NDC)
No enforcement reports list this package NDC.
Manufacturers of Dextromethorphan HBr and Guaifenesin (Tablet, Film Coated)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Army And Air Force Exchange Service | DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Cardinal Health 110, LLC. DBA Leader | DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| L.N.K. International, Inc. | DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Meijer Distribution Inc | DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Mucus Relief DM Cough — NDC 50844-0633-11," retrieved September 3, 2026, https://drugdashboards.com/drug/50844063311.
Free to cite with attribution — see how the data is put together.