| Title | Legal Status | Dosage | Routes (of administration) | Metabolism | |||
| Memantine | Rx-only | 5 mg (5 mg (Namenda), 7 mg (Namenda XR)) | Oral | --- | |||
| Ergoloid mesylates | Rx-only | 1 mg | Oral, parenteral | --- | |||
| Caprylidene | Rx-only | 0 mg | Oral | --- | |||
| Carbamazepine | Rx-only | 200 mg | Oral | Hepatic | |||
| Tacrine | Rx-only | 10 mg | Oral, Rectal | Hepatic | |||
| Ethosuximide | Rx-only | 250 mg | Oral | Hepatic | |||
| Donepezil | Rx-only | 5 mg | Oral | Hepatic | |||
| Citalopram | Rx-only | 20 mg | Oral | Hepatic | |||
| Sertraline | Rx-only | 50 mg | Oral | Hepatic | |||
| Galantamine | Rx-only | --- | Oral | Hepatic partially | |||