What should I watch for?
Visit your doctor or health care professional for regular checks on your progress. This medicine needs careful monitoring.
Wear a medical ID bracelet or chain, and carry a card that describes your disease and details of your medicine and dosage times.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.
The use of this medicine may increase the chance of suicidal thoughts or actions. Pay special attention to how you are responding while on this medicine. Any worsening of mood, or thoughts of suicide or dying should be reported to your health care professional right away.
Women who become pregnant while using this medicine may enroll in the North American Antiepileptic Drug Pregnancy Registry by calling 1-888-233-2334. This registry collects information about the safety of antiepileptic drug use during pregnancy.
Common and Rare 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:
false or unusual sense of well-being
shakiness and unsteady walk
sleepiness or unusual drowsiness
trembling or shaking of the hands or feet
unsteadiness, trembling, or other problems with muscle control or coordination
feeling sad or empty
lack of appetite
loss of balance control
loss of interest or pleasure
mood or mental changes
tearing of the skin
trouble with sleeping
trouble with walking
Incidence not known
Abnormal or decreased touch sensation
black, tarry stools
burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
changes in patterns and rhythms of speech
continuing ringing or buzzing or other unexplained noise in the ears
fast, irregular, pounding, or racing heartbeat or pulse
lower back or side pain
painful or difficult urination
trouble performing routine tasks
trouble with balance
trouble with speaking
troubled breathing with exertion
ulcers, sores, or white spots in the mouth
unusual bleeding or bruising
unusual tiredness or weakness
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:
feeling of constant movement of self or surroundings
lack or loss of strength
sensation of spinning
uncontrolled eye movements
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.