Conclusion Loratadine and ketotifen can inhibit the exercise-induced bronchoconstriction in guinea pigs pretreated with LPS and metyrapone.

• 结论在用脂多糖和甲吡丙酮预处理的运动性哮喘豚鼠模型中,氯雷他定和酮替芬能够抑制支气管收缩。