The effectiveness of adding on or switching antiseizure medications after the first fails to control focal epilepsy: A systematic review of randomized controlled trials
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Focal epilepsy constitutes 60-70% of epilepsy, and up to half of patients do not achieve seizure freedom with their first antiseizure medication (ASM). When the first ASM fails, evidence guiding whether to switch or add-on another ASM and which ASMs to use is ... ...
