What are the potential adverse effects of amantadine?

Updated: Aug 29, 2019
  • Author: Robert A Hauser, MD, MBA; Chief Editor: Selim R Benbadis, MD  more...
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The most concerning potential side effects of amantadine are confusion and hallucinations. Common side effects include nausea, headache, dizziness, and insomnia. Less frequently reported side effects include anxiety and irritability, ataxia, livedo reticularis, peripheral edema, and orthostatic hypotension

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