Maleic acid Chlorphenamine Maleate is H1 receptor blocking agent which can repress the expansion of microhemopipets caused by histamine and increase the permeability of capiilary vessels.
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- 氢溴酸右美沙芬力镇咳药,通过抑制延髓咳嗽中枢产生镇咳作用;马来酸氯苯那敏为H1受体阻断药,可对抗组胺引起的微血管扩张和毛细血管通透往增加。