| 0603-5371 | Primidone | primidone | Par Pharmaceutical | ANDA | Current |
| 0603-5371 | Primidone | primidone | Par Pharmaceutical | ANDA | Current |
| 0603-5372 | Primidone | primidone | Par Pharmaceutical | ANDA | Current |
| 0603-5372 | Primidone | primidone | Par Pharmaceutical | ANDA | Current |
| 0615-7936 | Primidone | primidone | NCS HealthCare of KY, Inc dba Vangard Labs | ANDA | Current |
| 42291-508 | Primidone | primidone | AvKARE, Inc. | ANDA | Current |
| 69584-684 | Primidone | Primidone | Oxford Pharmaceuticals, LLC | ANDA | Current |
| 69584-684 | Primidone | Primidone | Oxford Pharmaceuticals, LLC | ANDA | Current |
| 69584-685 | Primidone | Primidone | Oxford Pharmaceuticals, LLC | ANDA | Current |
| 69584-685 | Primidone | Primidone | Oxford Pharmaceuticals, LLC | ANDA | Current |
| 71335-1965 | Primidone | Primidone | Bryant Ranch Prepack | ANDA | Current |
| 71335-1965 | Primidone | Primidone | Bryant Ranch Prepack | ANDA | Current |
| 71610-005 | Primidone | primidone | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 71610-005 | Primidone | primidone | Aphena Pharma Solutions - | ANDA | Current |
| 71610-079 | Primidone | primidone | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 71610-540 | Primidone | Primidone | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 71610-540 | Primidone | Primidone | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 71610-540 | Primidone | Primidone | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 71610-590 | Primidone | Primidone | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 72189-216 | PRIMIDONE | PRIMIDONE | DIRECT RX | ANDA | Current |
| 72789-177 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 72789-177 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 72789-177 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 72789-177 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 72789-177 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 72789-177 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 72789-178 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 72789-178 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 72789-178 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 72789-178 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 72789-178 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 72789-178 | Primidone | Primidone | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |