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.
Allergy and Sinus Headache
Acetaminophen, Diphenhydramine HCl and Phenylephrine HCl · ACETAMINOPHEN 325 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 12.5 mg/1; PHENYLEPHRINE HYDROCHLORIDE 5 mg/1 · Tablet, Film Coated · Oral · Army And Air Force Exchange Service
NDC 55301-0464-08 · 2 BLISTER PACK in 1 CARTON / 12 TABLET, FILM COATED in 1 BLISTER PACK · 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.
Is this a "specialty" drug?
There's no legal definition — it meets 1 of 6 public criteria. Why that matters →
- Part D specialty tier
- Costs ≥ $950/fill
- Biologic (BLA)
- Injectable / infused
- Orphan-drug exclusivity
- REMS program · Opioid Analgesic REMS Shared System REMS
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 Acetaminophen, Diphenhydramine HCl and Phenylephrine HCl (Tablet, Film Coated)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Army And Air Force Exchange Service | ACETAMINOPHEN 325 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 12.5 mg/1; PHENYLEPHRINE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Dolgencorp, Llc | ACETAMINOPHEN 325 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 12.5 mg/1; PHENYLEPHRINE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Allergy and Sinus Headache — NDC 55301-0464-08," retrieved September 3, 2026, https://drugdashboards.com/drug/55301046408.
Free to cite with attribution — see how the data is put together.