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.
Allergy Relief · DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 · Tablet · Oral · Good Sense
NDC 50804-0048-93 · 2 BLISTER PACK in 1 CARTON / 12 TABLET in 1 BLISTER PACK · 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 | FEXOFENADINE HYDROCHLORIDE 180 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| GM Pharmaceuticals, INC | CHLOPHEDIANOL HYDROCHLORIDE 25 mg/1; PYRILAMINE MALEATE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Good Sense | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Allergy Relief — NDC 50804-0048-93," retrieved September 3, 2026, https://drugdashboards.com/drug/50804004893.
Free to cite with attribution — see how the data is put together.