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Phenobarbital Tablet

Brand names: Phenobarbital

Category: Analgesia/Addiction, Neurology, Other

Not specified 8

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.

Ask your pharmacist: which of the 1 manufacturers below can they order right now, and whether a different strength or form of Phenobarbital Tablet is available. For alternatives, talk to your prescriber — see what to do if your medication is in shortage.
Presentation & package NDCManufacturerAvailabilityFDA 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

No changes recorded yet.
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).