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DalfampridineImprovement of walking in patients with multiple sclerosis (MS).
Dalfampridine is a potassium channel blocker. Exactly how it works is not known. It is thought to increase nerve function that will improve walking in patients with MS.
Do NOT use Dalfampridine if:Contact your doctor or health care provider right away if any of these apply to you.
Before using Dalfampridine:Some medical conditions may interact with Dalfampridine. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
Some MEDICINES MAY INTERACT with Dalfampridine. However, no specific interactions with Dalfampridine are known at this time.
Ask your health care provider if Dalfampridine may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Dalfampridine:Use Dalfampridine as directed by your doctor. Check the label on the medicine for exact dosing instructions.
Ask your health care provider any questions you may have about how to use Dalfampridine.
Important safety information:
Possible side effects of Dalfampridine:All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Back pain; constipation; dizziness; headache; nausea; sore throat; stuffy or runny nose; trouble sleeping; upset stomach; weakness.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); balance problems; burning, numbness, or tingling; confusion; seizure; symptoms of urinary tract infection (eg, burning or pain while urinating, difficulty urinating, inability to control urination).
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If Overdose is suspected:Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include confusion; memory loss; seizure; sweating; tremor.
Store Dalfampridine at 77 degrees F (25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Dalfampridine out of the reach of children and away from pets.
General information:This information is a summary only. It does not contain all information about Dalfampridine. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
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