AMPYRA (dalfampridine) is a potassium channel blocker,
available in a 10 mg tablet strength. Each tablet contains 10 mg dalfampridine,
formulated as an extended release tablet for twice-daily oral administration.
Dalfampridine is also known by its chemical name, 4-aminopyridine, with the
AMPYRA (dalfampridine) Extended
Release tablets are available in a 10 mg strength and are white to off-white,
biconvex, oval shaped, film-coated, non-scored tablets with flat edge, debossed
with “A10” on one side, containing 10 mg of dalfampridine. Inactive ingredients
consist of colloidal silicon dioxide, hydroxypropyl methylcellulose, magnesium
stearate, microcrystalline cellulose, polyethylene glycol, and titanium
Dalfampridine is a fine white
powder with a molecular weight of 94.1, CAS 504-24-5, and a molecular formula
of C5H6N2. At ambient conditions,
dalfampridine is soluble in water, methanol, acetone, tetrahydrofuran,
isopropanol, acetonitrile, N,N-dimethylformamide, dimethylsulfoxide, and
What are the possible side effects of dalfampridine (Ampyra)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop taking dalfampridine and call your doctor at once if you have a serious side effect such as:
- seizure (convulsions);
- pain or burning when you urinate;
- problems with balance;
- numbness, burning pain, or tingly feeling;
- relapse or worsening of MS symptoms;
Less serious side effects may include:
- headache, dizziness;
- sleep problems...
Read All Potential Side Effects and See Pictures of Ampyra »
Last reviewed on RxList: 8/2/2012
This monograph has been modified to include the generic and brand name in many instances.