| 0378-0722 | Tizanidine | tizanidine | Mylan Pharmaceuticals Inc. | ANDA | Current |
| 0378-0722 | Tizanidine | tizanidine | Mylan Pharmaceuticals Inc. | ANDA | Current |
| 0378-0722 | Tizanidine | tizanidine | Mylan Pharmaceuticals Inc. | ANDA | Current |
| 0378-0724 | Tizanidine | tizanidine | Mylan Pharmaceuticals Inc. | ANDA | Current |
| 0378-0724 | Tizanidine | tizanidine | Mylan Pharmaceuticals Inc. | ANDA | Current |
| 0378-0724 | Tizanidine | tizanidine | Mylan Pharmaceuticals Inc. | ANDA | Current |
| 43353-914 | Tizanidine | tizanidine | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 43353-914 | Tizanidine | tizanidine | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 43353-914 | Tizanidine | tizanidine | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 43353-946 | Tizanidine | tizanidine | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 43353-946 | Tizanidine | tizanidine | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 51079-998 | Tizanidine | tizanidine | Mylan Institutional Inc. | ANDA | Current |
| 55154-5068 | Tizanidine | tizanidine | Cardinal Health | ANDA | Current |
| 55154-5068 | Tizanidine | tizanidine | Cardinal Health | ANDA | Current |