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福司福沙在小鼠醋酸扭体法和热板刺激法中具有相似的镇痛作用；在二甲苯所致小鼠耳肿胀试验和醋酸诱发小鼠急性渗出试验中也有相似的抗炎作用。其镇痛、抗炎作用与阿司匹林均无显著差异，但对胃刺激性比阿司匹林小。小鼠口服的ＬＤ５０为１８７５ｍｇ／ｋｇ。
Forsythus has similar analgesic effects in mouse acetic acid writhing and hot-plate stimulation; similar anti-inflammatory effects were observed in xylene-induced ear swelling in mice and acetic acid-induced acute exudation in mice. The analgesic, anti-inflammatory effects and aspirin no significant difference, but less irritating to the stomach than aspirin. The oral LD50 of mice is 1875mg / kg.