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Namenda XR Side Effects Center: Detailed Datasheet

Medically reviewed by Min Clinic Staff | Updated: January 2026

Namenda XR(Memantine Hydrochloride Extended Release Capsules) side effects drug center

 

PROFESSIONAL

CONSUMER

SIDE EFFECTS

Namenda XR Side Effects Center

Namenda XR (memantine hydrochloride) Extended Release is an NMDA receptor antagonist used to treat moderate to severe dementia of the Alzheimer's type. Common side effects of Namenda XR include:

  • nausea,
  • vomiting,
  • diarrhea,
  • constipation,
  • loss of appetite,
  • dizziness,
  • tired feeling,
  • weight loss or gain,
  • swelling in your hands or feet,
  • fast heart rate,
  • easy bruising or bleeding,
  • unusual weakness,
  • joint pain,
  • anxiety,