dalfampridine, Ampyra

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

What is dalfampridine, Ampyra, and how does it work (mechanism of action)?

Ampyra is an oral medication used for treating multiple sclerosis (MS). Its exact mechanism of action is unknown, but it is known to block movement of potassium between nerve cells. In animal studies Ampyra increased the conduction of nerve signals. The FDA approved Ampyra in December 1987.

What brand names are available for dalfampridine, Ampyra?


Is dalfampridine, Ampyra available as a generic drug?


Do I need a prescription for dalfampridine, Ampyra?


What are the side effects of dalfampridine, Ampyra?

The most common side effect of Ampyra is urinary tract infections.

Other common side effects include:

Serious side effects of Ampyra include:

People with a history of seizures should not use Ampyra.

Signs and symptoms of anaphylaxis include difficulty breathing; itching, and swelling of the throat or tongue.

Quick GuideMultiple Sclerosis (MS) Symptoms and Treatment

Multiple Sclerosis (MS) Symptoms and Treatment
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