dalfampridine, Ampyra

Pharmacy Author:
Medical and Pharmacy Editor:

GENERIC NAME: dalfampridine


DRUG CLASS AND MECHANISM: Ampyra is an oral medication used for treating multiple sclerosis. 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.



PREPARATIONS: Tablet (extended release): 10 mg

STORAGE: Ampyra should be stored at room temperature, 15 C to 30 C (59 F to 86 F).

PRESCRIBED FOR: Ampyra is used to improve walking in patients with multiple sclerosis (MS).

DOSING: The recommended dose is 10 mg twice daily with or without food about 12 hours apart. Tablets should not be divided, crushed, chewed, or dissolved.

DRUG INTERACTIONS: Drug interactions have not been identified for Ampyra.

PREGNANCY: There are no adequate studies of Ampyra in pregnant women.

NURSING MOTHERS: It is not known whether Ampyra is excreted in human milk.

Medically Reviewed by a Doctor on 11/4/2013

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Pill Finder Tool

Need help identifying pills and medications?
Use the pill identifier tool on RxList.

Back to Medications Index