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Dalfampridine (Ampyra) is a prescription medication used to improve walking in adults with multiple sclerosis (MS). It is a potassium channel blocker that works by increasing the speed of nerve conduction in the central nervous system.

Common side effects of dalfampridine include headache, dizziness, insomnia, nausea, and urinary tract infection. More serious side effects may include seizures, confusion, and chest pain.

Brand names associated with dalfampridine include Ampyra, Fampyra, and Vazculep.

  • dalfampridine
  • fampridine
  • potassium channel blocker

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