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; dose adjustments may be needed for kidney problems.
Common side effects
- Dizziness
- Headache
- Confusion
- Constipation
Important warnings
- Use caution with kidney impairment or seizure history.
- May worsen confusion or dizziness, increasing fall risk.
- Do not stop or change the dose without medical guidance.
Pregnancy
Safety is not established; use during pregnancy only when clearly needed.
Breastfeeding
It is unknown whether memantine passes into breast milk; breastfeeding is generally not recommended during treatment.
Interactions
- Amantadine, ketamine, or dextromethorphan may increase nervous-system effects.
- Urine-alkalinizing medicines can raise memantine levels.
- Other medicines affecting kidney clearance may alter 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 It may be incomplete or out of date.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.