Amantadine

Pronounced ah-MAN-tah-deen

Brand names: Gocovri, Symmetrel

Type: Dopamine promoter (Parkinson medicine) and antiviral (older use) · All Neurology Medicines

What Amantadine is used for

  • Parkinson disease, including reducing levodopa-related involuntary movements
  • Drug-induced movement side effects

◆ Kidney note

Cleared by the kidneys — buildup in kidney failure commonly causes confusion and hallucinations, so doses are substantially lowered.

Common side effects

  • Dizziness
  • Trouble sleeping
  • Livedo (mottled purple skin pattern)
  • Ankle swelling
  • Dry mouth
  • Hallucinations

Important cautions

  • Should not be stopped suddenly in Parkinson disease — abrupt withdrawal can cause a dangerous fever and rigidity syndrome

How it comes

Capsules, tablets, extended-release capsules, liquid. This guide lists forms only — it never lists strengths or doses.

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.