Namenda (memantine) can cause side effects that range from mild to serious. More common side effects include dizziness and headache. If side effects from Namenda become difficult to tolerate, talk ...

Namenda (memantine) is a prescription drug that’s used to treat dementia related to Alzheimer’s disease. This drug can interact with other medications and some supplements. For example, Namenda can ...

As with other drugs, Namenda (memantine hydrochloride) can cause side effects, such as headache and dizziness. If side effects of Namenda become difficult to tolerate, talk with your doctor or ...