Generic name:dalfampridine [ dal-FAM-pri-deen ]
Drug class:Miscellaneous central nervous system agents
What is Ampyra?
Ampyra is a potassium channel blocker.
Ampyra is a prescription medicine used to improve walking in adults with multiple sclerosis (MS).
It is not known if Ampyra is safe or effective in children less than 18 years old.
Warnings
Ampyra can cause a seizure (convulsions), even if you have never had one before. Taking too much dalfampridine may increase your risk of seizure. Kidney problems may also increase your risk. Your kidney function may need to be tested before you start taking this medicine.
Stop taking Ampyra 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.
High doses of dalfampridine may increase your risk of seizure. 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.
Before taking this medicine
You should not use Ampyra if you are allergic to dalfampridine or 4-aminopyridine, or if you have:
moderate to severe kidney disease; or
if you've ever had a seizure.
Ampyra can cause a seizure, even if you never had one before. Your risk may also be higher if you have kidney problems or are older than 50.
To make sure Ampyra is safe for you, tell your doctor if you have ever had:
kidney disease; or
if you also take a form of this medicine obtained from a compounding pharmacy (fampridine, or 4-aminopyridine).
Older adults may be more sensitive to the effects of this medication.
It is not ...
