The short version
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Guaifenesin DM
Guaifenesin And Dextromethorphan Hydrobromide · GUAIFENESIN 400 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1 · Tablet · Oral · PD-Rx Pharmaceuticals, Inc.
NDC 43063-0801-30 · 30 TABLET 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 dextromethorphan hydrobromide, guaifenesin (oral solid) in the next 90 days
sole-source market · price up 1% YoY
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 And Dextromethorphan Hydrobromide (Tablet)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| InvaTech Pharma Solutions LLC | GUAIFENESIN 400 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| PD-Rx Pharmaceuticals, Inc. | GUAIFENESIN 400 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| InvaTech Pharma Solutions LLC | GUAIFENESIN 20 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 400 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| PD-Rx Pharmaceuticals, Inc. | GUAIFENESIN 20 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 400 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| InvaTech Pharma Solutions LLC | DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 mg/1 | Jul 15, 2026 | Jul 15, 2026 |
| PD-Rx Pharmaceuticals, Inc. | DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 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, "Guaifenesin DM — NDC 43063-0801-30," retrieved September 3, 2026, https://drugdashboards.com/drug/43063080130.
Free to cite with attribution — see how the data is put together.