| 70710-1104 | tizanidine | tizanidine | Zydus Pharmaceuticals (USA) Inc. | ANDA | Current |
| 70710-1104 | tizanidine | tizanidine | Zydus Pharmaceuticals (USA) Inc. | ANDA | Current |
| 70710-1105 | tizanidine | tizanidine | Zydus Pharmaceuticals (USA) Inc. | ANDA | Current |
| 70710-1105 | tizanidine | tizanidine | Zydus Pharmaceuticals (USA) Inc. | ANDA | Current |
| 70771-1335 | tizanidine | tizanidine | Cadila Healthcare Limited | ANDA | Current |
| 70771-1335 | tizanidine | tizanidine | Cadila Healthcare Limited | ANDA | Current |
| 70771-1335 | tizanidine | tizanidine | Zydus Lifesciences Limited | ANDA | Current |
| 70771-1336 | tizanidine | tizanidine | Cadila Healthcare Limited | ANDA | Current |
| 70771-1336 | tizanidine | tizanidine | Cadila Healthcare Limited | ANDA | Current |
| 70771-1336 | tizanidine | tizanidine | Zydus Lifesciences Limited | ANDA | Current |
| 72578-096 | tizanidine | tizanidine | Viona Pharmaceuticals Inc | ANDA | Current |
| 72578-097 | tizanidine | tizanidine | Viona Pharmaceuticals Inc | ANDA | Current |