The short version
Only one company currently supplies this market — there is no backup if it stumbles.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Mucinex Fast-Max Severe Congestion and Cough
Guaifenesin, Phenylephrine Hydrochloride, and Dextromethorphan Hydrobromide · GUAIFENESIN 200 mg/1; PHENYLEPHRINE HYDROCHLORIDE 5 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 10 mg/1 · Tablet, Film Coated · Oral · Reckitt Benckiser LLC
NDC 63824-0515-20 · 4 BLISTER PACK in 1 CARTON / 5 TABLET, FILM COATED in 1 BLISTER PACK · 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 dextromethorphan hydrobromide, guaifenesin, phenylephrine hydrochloride (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 Guaifenesin, Phenylephrine Hydrochloride, and Dextromethorphan Hydrobromide (Tablet, Film Coated)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Reckitt Benckiser LLC | GUAIFENESIN 200 mg/1; PHENYLEPHRINE HYDROCHLORIDE 5 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 10 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| Reckitt Benckiser LLC | GUAIFENESIN 10 mg/1; PHENYLEPHRINE HYDROCHLORIDE 200 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 5 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Reckitt Benckiser LLC | DEXTROMETHORPHAN HYDROBROMIDE 10 mg/1; GUAIFENESIN 200 mg/1; PHENYLEPHRINE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Mucinex Fast-Max Severe Congestion and Cough — NDC 63824-0515-20," retrieved September 3, 2026, https://drugdashboards.com/drug/63824051520.
Free to cite with attribution — see how the data is put together.