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:
shakiness in the legs, arms, hands, or feet
sleepiness or unusual drowsiness
trembling or shaking of the hands or feet
uncontrolled eye movements
Attack, assault, or force
black, tarry stools
cough producing mucus
difficult or painful urination
difficulty with breathing
dizziness or lightheadedness
fear or nervousness
feeling of constant movement of self or surroundings
general feeling of discomfort or illness
loss of appetite
muscle aches and pains
pain or tenderness around the eyes and cheekbones
sensation of spinning
shakiness and unsteady walk
sores, ulcers, or white spots on the lips or in the mouth
stuffy or runny nose
tightness in the chest
trouble sitting still
unsteadiness, trembling, or other problems with muscle control or coordination
unusual bleeding or bruising
unusual tiredness or weakness
blood in the urine or stools
burning while urinating
inability to hold urine
increased urge to urinate during the night
increased volume of pale, dilute urine
lower back or side pain
pinpoint red spots on the skin
pounding, slow heartbeat
swollen, painful, or tender lymph glands in the neck, armpit, or groin
troubled breathing with exertion
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:
Acid or sour stomach
change in hearing
difficulty having a bowel movement (stool)
stomach discomfort, upset, or pain
upper abdominal or stomach pain
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.