What is dalfampridine?
Dalfampridine is a potassium channel blocker.
Dalfampridine is used to improve walking in patients with multiple sclerosis (MS).
Dalfampridine may also be used for purposes not listed in this medication guide.
What is the most important information I should know about dalfampridine?
You should not use dalfampridine if you are allergic to it, or if you have moderate to severe kidney disease, if you have ever had a seizure (convulsions), or if you are also taking another multiple sclerosis drug called Fampridine.
Before you take dalfampridine, tell your doctor if you have kidney disease.
Do not take more than 2 tablets in a 24-hour period. Do not use a tablet that has been broken or crushed. A broken tablet can release too much of the drug at one time. This can increase your risk of having a seizure.
Stop taking dalfampridine and call your doctor at once if you a seizure, pain or burning when you urinate, problems with your balance, numbness or tingly feeling, or a relapse of your MS symptoms.
What should I discuss with my health care provider before taking dalfampridine?
You should not use dalfampridine if you are allergic to it, or if you have:
moderate to severe kidney disease;
if you have ever had a seizure (convulsions); or
if you are also taking another MS drug called Fampridine (4-aminopyridine).
To make sure you can safely take dalfampridine, tell your doctor if you have kidney disease.
FDA pregnancy category C. It is not known whether dalfampridine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication..
It is not known whether dalfampridine passes into breast milk or if it could harm a nursing baby. You should not breast-feed while you are using dalfampridine.
Do not give this medication to anyone under 18 years old without the advice of a doctor.