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Memantine
Pronounced me-MAN-teen
Brand names: Namenda
Type: NMDA blocker (dementia medicine) · All Neurology Medicines
What Memantine is used for
- Moderate to severe Alzheimer disease dementia
- Added to cholinesterase inhibitors in Alzheimer disease
◆ Kidney note
Cleared by the kidneys — the dose is lowered when kidney function is significantly reduced.
Common side effects
- Dizziness
- Headache
- Constipation
- Confusion (less commonly)
Important cautions
- Generally well tolerated; new confusion or hallucinations should be reported, as they occasionally come from the medicine rather than the disease
How it comes
Tablets, extended-release capsules, liquid. This guide lists forms only — it never lists strengths or doses.
Related medicines — Neurology Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.