See the Safety section for the most important information you should know about Keppra XR™.
Keppra XR™ can cause serious side effects. Call your doctor right away if you get any of these symptoms:
- mood and behavior changes such as aggression, agitation, anger, anxiety, apathy, mood swings, depression, hostility, and irritability. A few people may get psychotic symptoms such as hallucinations (seeing or hearing things that are really not there), delusions (false or strange thoughts or beliefs) and unusual behavior.
- extreme sleepiness, tiredness, and weakness
- problems with muscle coordination (problems walking and moving)
Common side effects seen in people who take Keppra XR™ and other formulations of Keppra® include:
- sleepiness
- weakness
- dizziness
- infection
These side effects could happen at any time but happen most often within the first four weeks of treatment.
These are not all the possible side effects of Keppra XR™. For more information, ask your neurologist or pharmacist. If you get any side effects that concern you, call your neurologist. Call your doctor for medical advice about side effects. You may also report side effects to FDA at 1-800-FDA-1088.
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