What is amantadine? Amantadine is a dopaminergic medication whose exact mechanism of action is not known. Its FDA indications are for: 1. Treatment of Parkinson’s disease, parkinsonism due to other causes, and drug-induced extrapyramidal reactions. 2. Treatment of influenza type A. In mental health, it has many other potential off-label uses. Pharmacokinetics Here are just…