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.
Acetaminophen, Chlorpheniramine Maleate and Dextromethophan HBr · ACETAMINOPHEN 1000 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/1; CHLORPHENIRAMINE MALEATE 4 mg/1 · Powder, For Solution · Oral · Cvs Pharmacy
NDC 51316-0549-06 · 1 POWDER, FOR SOLUTION in 1 PACKET · OTC MONOGRAPH DRUG · View full market →
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.
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.
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 |
|---|---|---|---|
| Cvs Pharmacy | ACETAMINOPHEN 1000 mg/1; CHLORPHENIRAMINE MALEATE 4 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Cvs Pharmacy | ACETAMINOPHEN 1000 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/1; CHLORPHENIRAMINE MALEATE 4 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| Cardinal Health 110, Llc. Dba Leader | ACETAMINOPHEN 1000 mg/1; CHLORPHENIRAMINE MALEATE 4 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 30 mg/1 | Jul 19, 2026 | Aug 30, 2026 |
| Cvs Pharmacy | ACETAMINOPHEN 1000 mg/1; DEXTROMETHORPHAN HYDROBROMIDE 4 mg/1; CHLORPHENIRAMINE MALEATE 30 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Theraflu Relief Max Strength Nighttime — NDC 51316-0549-06," retrieved September 3, 2026, https://drugdashboards.com/drug/51316054906.
Free to cite with attribution — see how the data is put together.