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哮喘的病因不同,但多数与变态反应有关。它们都有由于支气管痉挛和支气管炎症引起的分泌物增加和粘膜水肿所致的小气道阻塞的临床表现。较理想的平喘药除具有解痉作用外,还应有抗过敏、抗炎和祛痰作用。近年来,发展了一些新的平喘药,现按平喘药作用的不同环节,作一简述。哮喘的病因不同,但多数与变态反应有关。它们都有由于支气管痉挛和支气管炎症引起的分泌物增加和粘膜水肿所致的小气道阻塞的临床表现。较理想的平喘药除具有解痉作用外,还应有抗过敏、抗炎和祛痰作用。近年来,发展了一些新的平喘药,现按平喘药作用的不同环节,作一简述。
The causes of asthma are different, but most are associated with allergies. They all have clinical manifestations of small airway obstruction due to increased secretions and mucosal edema due to bronchospasm and bronchial inflammation. More ideal antiasthmatic drugs in addition to antispasmodic effect, there should be anti-allergic, anti-inflammatory and expectorant effect. In recent years, the development of a number of new antiasthmatic drugs, asthma is now based on the different aspects of the role of drug for a brief. The causes of asthma are different, but most are associated with allergies. They all have clinical manifestations of small airway obstruction due to increased secretions and mucosal edema due to bronchospasm and bronchial inflammation. More ideal antiasthmatic drugs in addition to antispasmodic effect, there should be anti-allergic, anti-inflammatory and expectorant effect. In recent years, the development of a number of new antiasthmatic drugs, asthma is now based on the different aspects of the role of drug for a brief.