Levetiracetam
（重定向自Keppra）
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Levetiracetam, marketed under the trade name Keppra among others, is a medication used to treat epilepsy. It is used for partial onset, myoclonic, or tonic-clonic seizures. It is the S-enantiomer of etiracetam.
Levetiracetam is available by mouth in two forms: immediate release and extended release. An immediate release tablet has been available as a generic in the United States since November 2008, and in the UK since 2011. The United States patent for the extended release tablet expires September 17, 2028.