Rufinamide (Oral Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

More common
  • Dizziness
  • Shakiness in the legs, arms, hands, or feet
  • Sleepiness or unusual drowsiness
  • Trembling or shaking of the hands or feet
  • Uncontrolled eye movements
Less common
  • Attack, assault, or force
  • Chills
  • Cough producing mucus
  • Diarrhea
  • Difficulty with breathing
  • Dizziness or lightheadedness
  • Fear or nervousness
  • Feeling of constant movement of self or surroundings
  • Fever
  • General feeling of discomfort or illness
  • Headache
  • Joint pain
  • Loss of appetite
  • Muscle aches and pains
  • Nausea
  • Pain or tenderness around the eyes and cheekbones
  • Rash
  • Restlessness
  • Runny nose
  • Sensation of spinning
  • Shakiness and unsteady walk
  • Shivering
  • Shortness of breath or troubled breathing
  • Sore throat
  • Stuffy or runny nose
  • Sweating
  • Tightness in the chest
  • Trouble in walking
  • Trouble sitting still
  • Trouble sleeping
  • Unsteadiness, trembling, or other problems with muscle control or coordination
  • Unusual tiredness or weakness
  • Vomiting
  • Wheezing
Rare
  • Black, tarry stools
  • Bleeding gums
  • Blood in the urine or stools
  • Burning while urinating
  • Chest pain
  • Difficult or painful urination
  • Fainting
  • Frequent urination
  • Inability to hold urine
  • Increased urge to urinate during the night
  • Increased volume of pale, dilute urine
  • Lower back or side pain
  • Pale skin
  • Pinpoint red spots on the skin
  • Pounding, slow heartbeat
  • Sore tongue
  • Sores, ulcers, or white spots on the lips or in the mouth
  • Swollen glands
  • Swollen, painful, or tender lymph glands in the neck, armpit, or groin
  • Troubled breathing with exertion
  • Unusual bleeding or bruising
  • Waking to urinate at night

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
  • Blurred vision
  • Double vision
  • Seeing double
Less common
  • Acid or sour stomach
  • Back pain
  • Belching
  • Change in hearing
  • Decreased appetite
  • Difficulty having a bowel movement (stool)
  • Ear drainage
  • Earache or pain in the ear
  • Heartburn
  • Indigestion
  • Itching skin
  • Stomach discomfort, upset, or pain
  • Upper abdominal or stomach pain
Rare
  • Increased appetite

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Precautions
DR602829 Portions of this document last updated: Nov. 1, 2011

Source: Drug Information provided by: Micromedex

Copyright © 2013 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.

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