The short version
15 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.
dg health pain relief pm extra strength
Acetaminophen, Diphenhydramine HCl · ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 · Tablet, Film Coated · Oral · Dolgencorp Inc
NDC 55910-0437-71 · 1 BOTTLE in 1 CARTON / 50 TABLET, FILM COATED in 1 BOTTLE · 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.
90-day shortage risk (model v2)
0.1%chance of a new FDA shortage posting for acetaminophen, diphenhydramine hcl (oral solid) in the next 90 days
sole-source market
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 →
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
- M013
- 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 (Tablet, Film Coated)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| L.N.K. International, Inc. | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Amazon.com Services LLC | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| American Sales Company | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Army And Air Force Exchange Service | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Bryant Ranch Prepack | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| CVS Pharmacy, Inc. | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1; ACETAMINOPHEN 500 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| Cvs Woonsocket Prescription Center, Incorporated | ACETAMINOPHEN 325 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Dolgencorp Inc | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| HyVee Inc | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Aug 5, 2026 | Sep 2, 2026 |
| L. Perrigo Company | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Publix Super Markets Inc | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Salado Sales, Inc. | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Walgreen Company | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Walmart Inc. | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Walmart Inc. | ACETAMINOPHEN 325 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| CVS Pharmacy, Inc. | DIPHENHYDRAMINE HYDROCHLORIDE 500 mg/1; ACETAMINOPHEN 25 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Dolgencorp, LLC | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Aug 19, 2026 |
| CVS Pharmacy, Inc. | ACETAMINOPHEN 500 mg/1; DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "dg health pain relief pm extra strength — NDC 55910-0437-71," retrieved September 3, 2026, https://drugdashboards.com/drug/55910043771.
Free to cite with attribution — see how the data is put together.