About memantine hcl
NMDA receptor antagonist
Used for
- Treats moderate to severe Alzheimer’s disease symptoms.
Usual adult dose
Usually increased gradually to 10 mg twice daily; maximum 20 mg daily. Lower doses may be needed with severe kidney problems.
Common side effects
- Dizziness
- Headache
- Confusion
- Constipation
Important warnings
- May cause dizziness or confusion, increasing fall risk.
- Use caution with seizures or severe kidney problems.
- Not a cure; benefits and progression vary.
Pregnancy
Safety is not established; use during pregnancy is generally avoided unless clearly needed.
Breastfeeding
Unknown whether memantine passes into breast milk; breastfeeding use is generally avoided.
Interactions
- Amantadine, ketamine, or dextromethorphan may increase related side effects.
- Medicines that make urine alkaline may raise memantine levels.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.