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US ATC N03AA02 · updated 2 Nov 2026
Phenobarbital shortage in United States
Is there a Phenobarbital shortage in United States?
Yes. As of 2 Nov 2026, 8 Phenobarbital products are reported short in United States, the first since 31 Oct 2025. No return date has been given. Main reason: not stated.
Also short in Belgium, Japan, Australia. All countries.
Affected products in United States
| Country | Product | Company | Since | Expected back | Reason |
|---|---|---|---|---|---|
| US | Phenobarbital, Tablet, 16.2 mg (NDC 0603-5165-21) discontinuation | Endo Pharmaceuticals, Inc. | 31 Oct 2025 | not given | Not stated |
| US | Phenobarbital, Tablet, 16.2 mg (NDC 0603-5165-32) discontinuation | Endo Pharmaceuticals, Inc. | 31 Oct 2025 | not given | Not stated |
| US | Phenobarbital, Tablet, 32.4 mg (NDC 0603-5166-21) discontinuation | Endo Pharmaceuticals, Inc. | 31 Oct 2025 | not given | Not stated |
| US | Phenobarbital, Tablet, 32.4 mg (NDC 0603-5166-32) discontinuation | Endo Pharmaceuticals, Inc. | 31 Oct 2025 | not given | Not stated |
| US | Phenobarbital, Tablet, 64.8 mg (NDC 0603-5167-21) discontinuation | Endo Pharmaceuticals, Inc. | 31 Oct 2025 | not given | Not stated |
| US | Phenobarbital, Tablet, 64.8 mg (NDC 0603-5167-32) discontinuation | Endo Pharmaceuticals, Inc. | 31 Oct 2025 | not given | Not stated |
| US | Phenobarbital, Tablet, 97.2 mg (NDC 0603-5168-21) discontinuation | Endo Pharmaceuticals, Inc. | 31 Oct 2025 | not given | Not stated |
| US | Phenobarbital, Tablet, 97.2 mg (NDC 0603-5168-32) discontinuation | Endo Pharmaceuticals, Inc. | 31 Oct 2025 | not given | Not stated |
Source
U.S. Food and Drug Administration (FDA), Drug Shortages via openFDA. Official list. Shortages the FDA lists as current, plus products to be discontinued; one row per package (NDC).