The short version
Just 3 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.
Mucus Relief DM · DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 mg/1 · Tablet · Oral · Good Sense
NDC 50804-0432-30 · 1 BOTTLE in 1 CARTON / 30 TABLET in 1 BOTTLE · OTC MONOGRAPH DRUG · View full market →
Just 3 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.
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 →No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Not scored — fragility is computed for NADAC-priced NDCs.
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Allegiant Health | DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Good Sense | DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| TopCo Associates, LLC | 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.
DrugDashboards, "Mucus Relief DM Immediate Release — NDC 50804-0432-30," retrieved September 3, 2026, https://drugdashboards.com/drug/50804043230.
Free to cite with attribution — see how the data is put together.