Let's take a minute to talk about your medication. 

This is dalfampridine. It helps improve walking in people who have multiple sclerosis. It may have other uses to.

Dalfampridine is often taken two times each day, about 12 hours apart. You should take it exactly as your doctor tells you to. You should swallow the tablet whole and never crush, chew, or dissolve it. You can take it with or without food. 

Most people tolerate this medicine well. Common side effects include a headache, nausea, constipation, problems sleeping, and pain, tingling, or itching of your skin. You could also have problems with balance, or feel a little weak, dizzy, or tired. You should wait until you know how this medicine affects you before you do activities that require you to be alert, like driving. These effects are normal if they are mild and should go away. Tell your doctor if you have back pain, irritation in your nose or throat, or a urinary tract infection. If these or other side effects become reasons you want to stop taking Dalfampridine, please talk to your doctor or pharmacist.

As with any medicine, serious side effects can occur. With Dalfampridine, these include serious allergic reactions and seizures. You should read the Medication Guide to know which symptoms to watch for and when to report them. To help keep this medicine safe for you, your doctor will follow your condition closely.

Dalfampridine can interact with other medicines. You should check with your doctor or pharmacist before taking other medicines, even if they do not require a prescription. 

Women should talk to their doctors before becoming pregnant. Women should not breastfeed while taking this medicine. 

For best results with Dalfampridine, work closely with your doctor to set goals for this medicine and let them know if your condition worsens.