商品名：Epanutin*
Diminishes the spread of focal neural discharges. Its action appears to be a stabilizing effect on synaptic junctions and it depresses motor areas of the cortex without depressing sensory areas.
Used to control most forms of epilepsy in humans. In dogs it is metabolized very rapidly so that high doses need to be given often, and is associated with hepatic toxicity; cats metabolize the drug very slowly and toxicity easily develops. These undesirable pharmacokinetic properties mean that the drug is not recommended for use in dogs and cats as there are alternative drugs with a better efficacy and fewer adverse effects. If it is used in the dog, then it cannot be recommended for use as the
劑量數字暫停提供：VetPro 的劑量改依 DRUGAPI 藥物資料庫對外的內容，DRUGAPI 目前不提供可直接計算的劑量。下方列出 DRUGAPI 的審查結論與劑量審查引用的來源；計算機可手動輸入劑量換算。
犬貓常規癲癇劑量不受現行獸醫證據支持，馬口服暴露高度變異，且鹽型／產品／route、fosphenytoin 與非治療安樂死複方存在重大混用風險；所有計算與飼主劑量 fail closed。
DRUGAPI 劑量審查引用的獸醫官方標示（各標示只適用於其產品、物種與法域，不可互換）
依出現頻率分組；嚴重副作用獨立列出，臨床上需立即辨識。
renal