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U.S. Department of Health and Human Services


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Keppra (levetiracetam) tablets and oral solution

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER)


August 2014

Summary View


Postmarketing Experience
  • …hyponatremia…


December 2011

Summary View


Psychiatric Reactions
  • A total of 13.3% of adult KEPPRA-treated patients and 37.6% of pediatric KEPPRA-treated patients (4 to 16 years of age) compared to 6.2% and 18.6% of adult and pediatric placebo patients respectively, experienced nonpsychotic behavioral symptoms (reported as aggression, agitation, anger, anxiety, apathy, depersonalization, depression, emotional lability, hostility, hyperkinesias, irritability, nervousness, neurosis, and personality disorder...
Serious Dermatological Reactions
  • Serious dermatological reactions, including Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN), have been reported in both children and adults treated with levetiracetam. The median time of onset is reported to be 14 to 17 days, but cases have been reported at least four months after initiation of treatment…
Hematologic Abnormalities
  • Partial Onset Seizures: In the controlled cognitive and neuropsychological safety study, two subjects (6.1%) in the placebo group and 5 subjects (8.6%) in the KEPPRA-treated group had high eosinophil count values that were possibly clinically significant (≥10% or ≥0.7X109/L).
Blood Pressure Increases
  • In a randomized, placebo-controlled study in patients aged 1 month to <4 years of age, a significantly higher risk of at least one measured increase in diastolic blood pressure was observed in the KEPPRA-treated patients (17%) compared to the placebo-treated patients (2%)...
Seizure Control During Pregnancy
  • Physiological changes may gradually decrease plasma levels of levetiracetam throughout pregnancy. This decrease is more pronounced during the third trimester. It is recommended that patients be monitored carefully during pregnancy. Close monitoring should continue through the postpartum period especially if the dose was changed during pregnancy.