The short version
17 companies supply this market — deep enough that no single failure threatens the supply.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Acetaminophen, Dextromethorphan Hydrobromide, Doxylamine Succinate · ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL · Liquid · Oral · Dolgencorp, Inc. (DOLLAR GENERAL & REXALL)
NDC 55910-0443-12 · 355 mL in 1 BOTTLE, PLASTIC · OTC MONOGRAPH DRUG · View full market →
17 companies supply this market — deep enough that no single failure threatens the supply.
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 · price up 3% 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 →
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 |
|---|---|---|---|
| Discount Drug Mart | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Sep 3, 2026 |
| P & L Development, LLC | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Sep 3, 2026 |
| QUALITY CHOICE (Chain Drug Marketing Association) | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Sep 3, 2026 |
| Rite Aid Corporation | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Sep 3, 2026 |
| Safeway, Inc. | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Sep 3, 2026 |
| Salado Sales, Inc. | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Sep 3, 2026 |
| The Procter & Gamble Manufacturing Company | ACETAMINOPHEN 325 mg/15mL; DEXTROMETHORPHAN HYDROBROMIDE 10 mg/15mL; DOXYLAMINE SUCCINATE 6.25 mg/15mL | Jul 15, 2026 | Sep 3, 2026 |
| Vivunt Pharma Llc | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Sep 3, 2026 |
| Dolgencorp, Inc. (DOLLAR GENERAL & REXALL) | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Sep 2, 2026 |
| EQUATE (Wal-Mart Stores, Inc.) (see also WAL-MART INC) | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Sep 2, 2026 |
| Grocery Outlet, Inc. | DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL; ACETAMINOPHEN 650 mg/30mL | Aug 26, 2026 | Sep 2, 2026 |
| Kenvue Brands LLC | DOXYLAMINE SUCCINATE 12.5 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; ACETAMINOPHEN 1000 mg/30mL | Aug 26, 2026 | Sep 2, 2026 |
| Target Corporation | ACETAMINOPHEN 650 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL | Aug 26, 2026 | Sep 2, 2026 |
| The Procter & Gamble Manufacturing Company | ACETAMINOPHEN 1000 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Sep 2, 2026 |
| Walgreens | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Sep 2, 2026 |
| Harris Teeter, LLC | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Aug 31, 2026 |
| DeMoulas Market Basket | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Aug 28, 2026 |
| WinCo Foods, LLC | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Aug 28, 2026 |
| Grocery Outlet, Inc. | DEXTROMETHORPHAN HYDROBROMIDE 650 mg/30mL; DOXYLAMINE SUCCINATE 30 mg/30mL; ACETAMINOPHEN 12.5 mg/30mL | Jul 22, 2026 | Aug 19, 2026 |
| Kenvue Brands LLC | DOXYLAMINE SUCCINATE 1000 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; ACETAMINOPHEN 12.5 mg/30mL | Jul 22, 2026 | Aug 19, 2026 |
| Target Corporation | ACETAMINOPHEN 650 mg/30mL; DOXYLAMINE SUCCINATE 30 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 12.5 mg/30mL | Jul 22, 2026 | Aug 19, 2026 |
| Grocery Outlet, Inc. | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Jul 15, 2026 |
| Kenvue Brands LLC | ACETAMINOPHEN 1000 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Jul 15, 2026 |
| Target Corporation | ACETAMINOPHEN 650 mg/30mL; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/30mL; DOXYLAMINE SUCCINATE 12.5 mg/30mL | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Cold and Flu Nighttime — NDC 55910-0443-12," retrieved September 3, 2026, https://drugdashboards.com/drug/55910044312.
Free to cite with attribution — see how the data is put together.