| 0440-1655 | Isoniazid | Isoniazid | Liberty Pharmaceuticals, Inc. | ANDA | Current |
| 0555-0071 | Isoniazid | Isoniazid | Teva Pharmaceuticals USA, Inc. | ANDA | Current |
| 0555-0071 | Isoniazid | Isoniazid | Teva Pharmaceuticals USA, Inc. | ANDA | Current |
| 0555-0071 | Isoniazid | Isoniazid | Teva Pharmaceuticals USA, Inc. | ANDA | Current |
| 0555-0071 | Isoniazid | Isoniazid | Teva Pharmaceuticals USA, Inc. | ANDA | Current |
| 0555-0071 | Isoniazid | Isoniazid | Teva Pharmaceuticals USA, Inc. | ANDA | Current |
| 43063-463 | Isoniazid | Isoniazid | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-463 | Isoniazid | Isoniazid | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-463 | Isoniazid | Isoniazid | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-463 | Isoniazid | Isoniazid | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-463 | Isoniazid | Isoniazid | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-463 | Isoniazid | Isoniazid | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 50090-0370 | Isoniazid | Isoniazid | A-S Medication Solutions | ANDA | Current |
| 50090-0370 | Isoniazid | Isoniazid | A-S Medication Solutions | ANDA | Current |
| 51079-083 | Isoniazid | Isoniazid | Mylan Institutional Inc. | ANDA | Current |
| 51079-083 | Isoniazid | Isoniazid | Mylan Institutional Inc. | ANDA | Current |
| 51079-083 | Isoniazid | Isoniazid | Mylan Institutional Inc. | ANDA | Current |
| 51079-083 | Isoniazid | Isoniazid | Mylan Institutional Inc. | ANDA | Current |
| 51655-391 | Isoniazid | Isoniazid | Northwind Pharmaceuticals, LLC | ANDA | Current |
| 53002-2920 | Isoniazid | Isoniazid | RPK Pharmaceuticals, Inc. | ANDA | Current |
| 53002-2920 | Isoniazid | Isoniazid | RPK Pharmaceuticals, Inc. | ANDA | Current |
| 53808-1041 | Isoniazid | Isoniazid | State of Florida DOH Central Pharmacy | ANDA | Current |
| 55695-033 | Isoniazid | Isoniazid | Department of State Health Services, Pharmacy Branch | ANDA | Current |
| 60687-553 | Isoniazid | Isoniazid | American Health Packaging | ANDA | Current |
| 60687-553 | Isoniazid | Isoniazid | American Health Packaging | ANDA | Current |
| 63187-978 | Isoniazid | Isoniazid | Proficient Rx LP | ANDA | Current |
| 63187-978 | Isoniazid | Isoniazid | Proficient Rx LP | ANDA | Current |
| 66267-124 | Isoniazid | Isoniazid | NuCare Pharmaceuticals, Inc. | ANDA | Current |
| 66267-124 | Isoniazid | Isoniazid | NuCare Pharmaceuticals, Inc. | ANDA | Current |
| 67046-333 | Isoniazid | Isoniazid | Contract Pharmacy Services-PA | ANDA | Current |
| 68788-9405 | Isoniazid | Isoniazid | Preferred Pharmaceuticals, Inc. | ANDA | Current |
| 68788-9405 | Isoniazid | Isoniazid | Preferred Pharmaceuticals, Inc. | ANDA | Current |
| 68788-9405 | Isoniazid | Isoniazid | Preferred Pharmaceuticals, Inc. | ANDA | Current |
| 68788-9405 | Isoniazid | Isoniazid | Preferred Pharmaceuticals, Inc. | ANDA | Current |
| 68788-9405 | Isoniazid | Isoniazid | Preferred Pharmaceuticals, Inc. | ANDA | Current |
| 70518-0595 | Isoniazid | Isoniazid | REMEDYREPACK INC. | ANDA | Current |
| 70518-0595 | Isoniazid | Isoniazid | REMEDYREPACK INC. | ANDA | Current |
| 70518-1491 | Isoniazid | Isoniazid | REMEDYREPACK INC. | ANDA | Current |
| 70518-1491 | Isoniazid | Isoniazid | REMEDYREPACK INC. | ANDA | Current |
| 70518-2576 | Isoniazid | Isoniazid | REMEDYREPACK INC. | ANDA | Current |
| 70518-2576 | Isoniazid | Isoniazid | REMEDYREPACK INC. | ANDA | Current |
| 70518-2576 | Isoniazid | Isoniazid | REMEDYREPACK INC. | ANDA | Current |
| 70518-2576 | Isoniazid | Isoniazid | REMEDYREPACK INC. | ANDA | Current |
| 70934-642 | Isoniazid | Isoniazid | Denton Pharma, Inc. dba Northwind Pharmaceuticals | ANDA | Current |
| 71335-0275 | Isoniazid | Isoniazid | Bryant Ranch Prepack | ANDA | Current |
| 71335-0275 | Isoniazid | Isoniazid | Bryant Ranch Prepack | ANDA | Current |
| 71610-395 | Isoniazid | Isoniazid | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |