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赛庚啶是较新型的H1受体阻断剂，具有较强的抗5－羟色胶和抗组胺作用。它的抗组胶作用比扑尔敏强5倍；抗5－羟色胺引起的升压、收缩支气管作用，以及抗过敏性水肿作用，等于或超过麦角酸二乙胶（LSD）抗胆碱作用约相当于阿托品强度的1／20；还具有抗惊厥作用。近年又发现它具有
Cyproheptadine is a newer class of H1 receptor blockers that have potent anti-5-hydroxy colloidal and antihistaminic effects. Its anti-colloidal effect than chlorpheniramine 5 times stronger; anti-serotonin-induced antihypertensive, contractile bronchial effects, and anti-allergic edema effect, equal to or more than the role of LSD anticholinergic Equivalent to atropine strength of 1/20; also has anticonvulsant effect. In recent years it has found it