Skip to navigation Skip to content



About this Medication
  • Brand Name: Ampyra (U.S.)®
  • Chemical Name: dalfampridine
  • Usage in MS: Walking
  • Generic Available: Yes


Dalfampridine (Ampyra®) is an oral medication, in tablet form, which blocks tiny pores, or potassium channels, on the surface of nerve fibers. Blocking potassium channels may improve the conduction of nerve signals in along nerve fibers whose insulating myelin coating has been damaged by MS.

Dalfampridine is approved by the U.S. Food and Drug Administration (FDA) to improve walking in patients with multiple sclerosis, as demonstrated by an increase in walking speed.

Click here to read the Ampyra Prescribing Information for healthcare professionals.

Click here to read the Ampyra Medication Guide for patients.


For information about Ampyra and Acorda's support program, call 1-888-881-1918.

Financial Assistance Program

Ampyra Patient Support Services



Your input is important!

We believe that people affected by MS live better lives when they're connected.  To help us provide you with the best resources, support and information, please provide your feedback in a short survey.
Take the survey