What should I watch for?
Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse. Visit your doctor or health care professional for regular checks on your progress. Do not stop taking except on your doctor's advice. This increases the risk of seizures. Your doctor will tell you how much medicine to take. Wear a medical ID bracelet or chain, and carry a card that describes your disease and details of your medicine and dosage times.
Rarely, serious skin allergic reactions may occur with this medicine. If you develop a skin rash, redness, itching, peeling skin inside your mouth, swollen glands, or a fever while taking this medicine, contact your health care provider immediately.
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 effects 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:
Change in vision
change in walking or balance
clumsiness or unsteadiness
false sense of well-being
feeling of constant movement of self or surroundings
sensation of spinning
uncontrolled back-and-forth and/or rolling eye movements
bloody or cloudy urine
difficulty with focusing eyes
faintness or lightheadedness when getting up suddenly from a lying or sitting position
fast or irregular heartbeat
frequent urge to urinate
itching of the vagina
loss of consciousness
pain or burning while urinating
pain or tenderness around the eyes or cheekbones
problems with coordination
shaking or trembling of the arms, legs, hands, and feet
stuffy or runny nose
tightness in the chest
trouble with walking
unusual tiredness or weakness
bleeding or crusting sores on the lips
burning feeling in the chest or stomach
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
muscle pain or weakness
purple spots on the skin
redness, blistering, peeling, or loosening of the skin
sores, ulcers, or white spots in the mouth or on the lips
swelling of the legs
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:
Abdominal or stomach pain
burning feeling in the chest or stomach
sleepiness or unusual drowsiness
Acid or sour stomach
change in your sense of taste
difficulty with speaking
dryness of the mouth
feeling of warmth and redness of the face, neck, arms, and occasionally chest
trouble with sleeping
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.