The generic prescription drug memantine is also available as brand-name Namenda. It comes in three forms: immediate-release tablet, oral solution, and extended-release capsule. Memantine is prescribed ...
(Medical Xpress)—Ketamine is a fast-acting antidepressant. However, it can create symptoms that mimic psychosis. Therefore, doctors don't give it to depressed patients. Memantine, a similar drug, does ...