商品名：Matrex*, Methotrexate*
Juvenile hormone analogue that inhibits larval development.
Treatment of tetanus and some toxicities (e.g. pyrethroid, strychnine) and as a general muscle relaxant for muscular spasms. The clearance of methocarbamol is significantly impaired in human patients with renal and hepatic disease. There is very limited literature on the use of methocarbamol in cats; case reports describing the use of methocarbamol by intravenous bolus injection and continuous rate infusion in dogs and cats have been published.
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。
獸醫須先核對一般 methoprene 或 S-methoprene、精確商品與全部共成分、強度、目標物種、年齡與體重限制、用途、法域及現行標示，再個案評估安全、交互作用與處置。本審查不提供任何可執行劑量、處方或飼主操作。
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。