While adverse reactions to levetiracetam are uncommon, some patients who take the drug may experience mild side effects, including:
- fast, repeating eye movements that you cannot control
- Nausea or vomiting
- dry mouth
- weight gain
Tell your doctor if any of these symptoms are severe or do not go away.
Rare, more serious adverse effects may occur. If you experience any symptoms listed below, contact your doctor right away. Serious side effects from taking oxcarbazepine include:
- rash; hives; swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs: or difficulty swallowing or breathing
- nausea, headache, lack of energy, confusion, or seizures that last longer or happen more often than in the past
- peeling, blistering, or shedding skin
- rash; hives; sores in the mouth or around eyes; fever; extreme tiredness; chest pain; muscle weakness or pain; swelling of the face, neck, groin, or underarm area; yellowing of the skin or eyes; unusual bleeding or bruising; bloody, cloudy, increased, decreased, or painful urination
- sore throat, cough, chills, and other signs of infection
There is a risk that seizure/anticonvulsant medication, such as oxcarbazepine, can cause changes in your mental health. It is advised to contact your doctor right away if you, someone close to you, or a caregiver notices changes in your mental health such as panic attacks, anxiety, depression, aggressive or impulsive behaviors, talking about or thinking about wanting to hurt yourself or end your life or any other unusual changes in behavior or mood.
This is not a complete list of oxcarbazepine side effects. For more information on advice effects associated with oxcarbazepine, please visit the National Institutes of Health’s DailyMed webpage.