The short version
11 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.
Doxycycline Hyclate · DOXYCYCLINE HYCLATE 100 mg/1 · Tablet, Coated · Oral · Northwind Health Company, LLC
NDC 51655-0998-20 · 20 TABLET, COATED in 1 BOTTLE, PLASTIC · ANDA · View full market →
11 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.
No Medicare Part D plan in CMS's quarterly files lists this product. That usually means it is discontinued, a repackager's listing, or a product no plan has added to its formulary.
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.
OAI inspection at a producing facility (24 months) · 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 →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Cardinal Health 107, LLC | DOXYCYCLINE HYCLATE 100 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Remedyrepack Inc. | DOXYCYCLINE HYCLATE 100 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| A-S Medication Solutions | DOXYCYCLINE HYCLATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Acella Pharmaceuticals, LLC | DOXYCYCLINE HYCLATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| American Health Packaging | DOXYCYCLINE HYCLATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Hikma Pharmaceuticals USA Inc. | DOXYCYCLINE HYCLATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Major Pharmaceuticals | DOXYCYCLINE HYCLATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Northwind Health Company, LLC | DOXYCYCLINE HYCLATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| PD-Rx Pharmaceuticals, Inc. | DOXYCYCLINE HYCLATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| QPharma, Inc. | DOXYCYCLINE HYCLATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Golden State Medical Supply, Inc. | DOXYCYCLINE HYCLATE 100 mg/1 | Jul 15, 2026 | Aug 19, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Doxycycline Hyclate — NDC 51655-0998-20," retrieved September 3, 2026, https://drugdashboards.com/drug/51655099820.
Free to cite with attribution — see how the data is put together.