| 0185-0034 | tizanidine hydrochloride | tizanidine hydrochloride | Eon Labs, Inc. | ANDA | Current |
| 0185-4400 | tizanidine hydrochloride | tizanidine hydrochloride | Eon Labs, Inc. | ANDA | Current |
| 43063-237 | Comfort Pac with Tizanidine | Tizanidine | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 55289-784 | tizanidine hydrochloride | tizanidine hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 55289-784 | tizanidine hydrochloride | tizanidine hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 55289-784 | tizanidine hydrochloride | tizanidine hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 55289-784 | tizanidine hydrochloride | tizanidine hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 55289-784 | tizanidine hydrochloride | tizanidine hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 55289-784 | tizanidine hydrochloride | tizanidine hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 63629-6537 | tizanidine hydrochloride | tizanidine hydrochloride | Bryant Ranch Prepack | ANDA | Current |
| 63629-6537 | tizanidine hydrochloride | tizanidine hydrochloride | Bryant Ranch Prepack | ANDA | Current |
| 68788-6431 | tizanidine hydrochloride | tizanidine hydrochloride | Preferred Pharmaceuticals | ANDA | Current |
| 71610-114 | tizanidine hydrochloride | tizanidine hydrochloride | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |