| 0054-0392 | Methadone Hydrochloride | Methadone Hydrochloride | Hikma Pharmaceuticals USA Inc. | ANDA | Current |
| 0054-0392 | Methadone Hydrochloride | Methadone Hydrochloride | West-Ward Pharmaceuticals Corp. | ANDA | Current |
| 0054-0392 | Methadone Hydrochloride | Methadone Hydrochloride | West-Ward Pharmaceuticals Corp. | ANDA | Current |
| 0054-0392 | Methadone Hydrochloride | Methadone Hydrochloride | Hikma Pharmaceuticals USA | ANDA | Current |
| 0054-0392 | Methadone Hydrochloride | Methadone Hydrochloride | Hikma Pharmaceuticals USA Inc. | ANDA | Current |
| 17856-0392 | Methadone Hydrochloride | Methadone Hydrochloride | ATLANTIC BIOLOGICALS CORP. | ANDA | Current |
| 17856-0392 | Methadone Hydrochloride | Methadone Hydrochloride | ATLANTIC BIOLOGICALS CORP. | ANDA | Current |
| 17856-0392 | Methadone Hydrochloride | Methadone Hydrochloride | ATLANTIC BIOLOGICALS CORP. | ANDA | Current |
| 17856-0392 | Methadone Hydrochloride | Methadone Hydrochloride | ATLANTIC BIOLOGICALS CORP. | ANDA | Current |
| 68094-032 | Methadone Hydrochloride | Methadone Hydrochloride | Precision Dose, Inc. | ANDA | Current |