| 42291-551 | Memantine hydrochloride | Memantine | AvKARE, Inc. | ANDA | Current |
| 42291-552 | Memantine hydrochloride | Memantine | AvKARE, Inc. | ANDA | Current |
| 53746-169 | Memantine hydrochloride | Memantine | Amneal Pharmaceuticals of New York LLC | ANDA | Current |
| 53746-169 | Memantine hydrochloride | Memantine | Amneal Pharmaceuticals of New York LLC | ANDA | Current |
| 53746-169 | Memantine hydrochloride | Memantine | Amneal Pharmaceuticals of New York LLC | ANDA | Current |
| 53746-173 | Memantine hydrochloride | Memantine | Amneal Pharmaceuticals of New York LLC | ANDA | Current |
| 53746-173 | Memantine hydrochloride | Memantine | Amneal Pharmaceuticals of New York LLC | ANDA | Current |
| 53746-173 | Memantine hydrochloride | Memantine | Amneal Pharmaceuticals of New York LLC | ANDA | Current |
| 65162-169 | memantine hydrochloride | memantine | Amneal Pharmaceuticals LLC | ANDA | Current |
| 65162-173 | memantine hydrochloride | memantine | Amneal Pharmaceuticals LLC | ANDA | Current |