Phenobarbital Tablet
Brand names: Phenobarbital
Category: Analgesia/Addiction, Neurology, Other
FDA status: To Be Discontinued · Last FDA update: Oct 31, 2025 · First posted: Oct 31, 2025 · 1 manufacturers, 8 listed presentations
As of Oct 31, 2025, the FDA lists Phenobarbital Tablet as being discontinued. Of 8 manufacturer presentations, 8 Not specified.
| Presentation & package NDC | Manufacturer | Availability | FDA note |
|---|---|---|---|
| Phenobarbital, Tablet, 16.2 mg (NDC 0603-5165-21) NDC 0603-5165-21 |
Endo Pharmaceuticals, Inc. | Not specified | Discontinuation of the manufacture of the drug |
| Phenobarbital, Tablet, 16.2 mg (NDC 0603-5165-32) NDC 0603-5165-32 |
Endo Pharmaceuticals, Inc. | Not specified | Discontinuation of the manufacture of the drug |
| Phenobarbital, Tablet, 32.4 mg (NDC 0603-5166-21) NDC 0603-5166-21 |
Endo Pharmaceuticals, Inc. | Not specified | Discontinuation of the manufacture of the drug |
| Phenobarbital, Tablet, 32.4 mg (NDC 0603-5166-32) NDC 0603-5166-32 |
Endo Pharmaceuticals, Inc. | Not specified | Discontinuation of the manufacture of the drug |
| Phenobarbital, Tablet, 64.8 mg (NDC 0603-5167-21) NDC 0603-5167-21 |
Endo Pharmaceuticals, Inc. | Not specified | Discontinuation of the manufacture of the drug |
| Phenobarbital, Tablet, 64.8 mg (NDC 0603-5167-32) NDC 0603-5167-32 |
Endo Pharmaceuticals, Inc. | Not specified | Discontinuation of the manufacture of the drug |
| Phenobarbital, Tablet, 97.2 mg (NDC 0603-5168-32) NDC 0603-5168-32 |
Endo Pharmaceuticals, Inc. | Not specified | Discontinuation of the manufacture of the drug |
| Phenobarbital, Tablet, 97.2 mg (NDC 0603-5168-21) NDC 0603-5168-21 |
Endo Pharmaceuticals, Inc. | Not specified | Discontinuation of the manufacture of the drug |
Related medications in shortage
Other Analgesia/Addiction, Neurology, Other medications currently on the FDA shortage list — useful context if you and your prescriber are weighing alternatives. Always confirm with your pharmacist.
Change log
Tracking began Oct 1, 2026. We check the FDA every 6 hours; any real change - a manufacturer moving from Limited to Available, a new recovery date, a new listing - shows up here with its date.
Cite this: “FDA drug-shortage status for Phenobarbital Tablet (FDA data as of Oct 31, 2025). Shortage Watch, openFDA.”
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FDA data last synced Oct 1, 2026 (FDA record dated Sep 30, 2026).