The short version
21 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.
Diphenhydramine HCl · DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 · Capsule, Liquid Filled · Oral · Bionpharma Inc.
NDC 69452-0453-09 · 4 BLISTER PACK in 1 CARTON / 12 CAPSULE, LIQUID FILLED in 1 BLISTER PACK · OTC MONOGRAPH DRUG · View full market →
21 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 4% 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 →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Bionpharma Inc. | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Shield Pharmaceuticals Corp | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Valu Merchandisers Company | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Wal-Mart Stores Inc | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Allegiant Health | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Allegiant Health | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Amerisource Bergen | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Amerisource Bergen | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Apnar Pharma Lp | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Bionpharma Inc. | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Bionpharma Inc. | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Cardinal Health (Leader) 70000 | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Catalent Pharma Solutions, LLC | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Chain Drug Marketing Association Inc. | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Discount Drug Mart, Inc | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Discount Drug Mart, Inc. | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Dolgencorp Inc | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Kroger Company | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Meijer Distribution Inc | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Shield Pharmaceuticals Corp | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| The Kroger Co | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Topco Associates, LLC | DIPHENHYDRAMINE HCL 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Walgreen Company | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Walgreen Company | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Walgreens | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Whole Foods Market, INC. | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Whole Foods Market, INC. | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Ascent Consumer Products, Inc | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Jul 29, 2026 |
| Ascent Consumer Products, Inc | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Jul 29, 2026 |
| Chattem, Inc. | DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1 | Jul 15, 2026 | Jul 29, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Allergy Relief — NDC 69452-0453-09," retrieved September 3, 2026, https://drugdashboards.com/drug/69452045309.
Free to cite with attribution — see how the data is put together.