The short version
18 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.
Oxybutynin Chloride · OXYBUTYNIN CHLORIDE 5 mg/1 · Tablet, Extended Release · Oral · AvKARE
NDC 42291-0633-01 · 100 TABLET, EXTENDED RELEASE in 1 BOTTLE · ANDA · View full market →
18 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.
Manufacturer list price as filed — not what pharmacies actually pay after discounts.
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.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| A-S Medication Solutions | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Aphena Pharma Solutions - Tennessee, LLC | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Bryant Ranch Prepack | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| PD-Rx Pharmaceuticals, Inc. | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| A-S Medication Solutions | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Accord Healthcare, Inc. | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Accord Healthcare, Inc. | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Accord Healthcare, Inc. | OXYBUTYNIN CHLORIDE 15 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Advagen Pharma Limited | OXYBUTYNIN CHLORIDE 15 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Advagen Pharma Limited | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Advagen Pharma Limited | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Ajanta Pharma USA Inc. | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Ajanta Pharma USA Inc. | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Ajanta Pharma USA Inc. | OXYBUTYNIN CHLORIDE 15 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| American Health Packaging | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| American Health Packaging | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Amneal Pharmaceuticals LLC | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Amneal Pharmaceuticals LLC | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Amneal Pharmaceuticals LLC | OXYBUTYNIN CHLORIDE 15 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Aphena Pharma Solutions - Tennessee, LLC | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Aphena Pharma Solutions - Tennessee, LLC | OXYBUTYNIN CHLORIDE 15 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| AvKARE | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| AvKARE | OXYBUTYNIN CHLORIDE 15 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| AvKARE | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| AvPAK | OXYBUTYNIN CHLORIDE 15 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| AvPAK | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| AvPAK | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Chartwell RX, LLC | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Chartwell RX, LLC | OXYBUTYNIN CHLORIDE 15 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Chartwell RX, LLC | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Coupler LLC | OXYBUTYNIN CHLORIDE 15 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Coupler LLC | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| direct rx | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Direct Rx | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Lannett Company, Inc. | OXYBUTYNIN CHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Lannett Company, Inc. | OXYBUTYNIN CHLORIDE 15 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Lannett Company, Inc. | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Major Pharmaceuticals | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Rising Pharma Holdings, Inc. | OXYBUTYNIN CHLORIDE 15 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Rising Pharma Holdings, Inc. | OXYBUTYNIN CHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Oxybutynin Chloride Extended Release — NDC 42291-0633-01," retrieved September 3, 2026, https://drugdashboards.com/drug/42291063301.
Free to cite with attribution — see how the data is put together.