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.
ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, and PHENYLEPHRINE HYDROCHLORIDE · ACETAMINOPHEN 500 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 mg/1; PHENYLEPHRINE HYDROCHLORIDE 10 mg/1 · Powder, For Solution · Oral · Bayer HealthCare LLC.
NDC 00280-8273-06 · 6 PACKET in 1 CARTON / 1 POWDER, FOR SOLUTION in 1 PACKET · OTC MONOGRAPH DRUG · View full market →
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.
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.
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 →
There's no legal definition — it meets 1 of 6 public criteria. Why that matters →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Bayer HealthCare LLC. | ACETAMINOPHEN 500 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 20 mg/1; GUAIFENESIN 400 mg/1; PHENYLEPHRINE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "ALKA SELTZER COLD Cold Flu And Congestion Severe Fast Hot Liquid Day — NDC 00280-8273-06," retrieved September 3, 2026, https://drugdashboards.com/drug/00280827306.
Free to cite with attribution — see how the data is put together.