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哮喘急性发作或加重是支气管哮喘和喘息性支气管炎的主要症状,其发生机理比较复杂,基本过程是由于多种内源性物质所引起的平滑肌痉挛、气管粘膜水肿,以及分泌的粘痰堵塞气道,导致气管狭窄而造成的。平喘药是通过作用于其中某一环节,解除支气管平滑肌痉挛,使气道扩张而达到治疗目的。平喘气雾剂是目前临床上常用的一种平喘药物剂型,使用时只要将气雾剂的喷头对准自已的咽喉部位,用手指按下喷压装置,药液就会呈雾状均匀地附着于咽喉壁,从而很快地缓解哮喘症状,因而
Acute exacerbation or exacerbation of asthma is a major symptom of bronchial asthma and asthmatic bronchitis. The mechanism of its occurrence is rather complex. The basic process is due to smooth muscle spasm, tracheal mucosal edema caused by various endogenous substances, as well as secreted mucus blocking gas Road, resulting in tracheal stenosis caused. Antiasthmatic drugs by acting on one of the links, relieve bronchial smooth muscle spasm, the airway expansion and achieve the purpose of treatment. Anti-asthmatic aerosol is clinically commonly used as an antiasthmatic pharmaceutical dosage form, the use of aerosol spray nozzle as long as the alignment of their own throat area, press the device with your fingers, the liquid will be mist evenly Attached to the wall of the throat, which quickly alleviates the symptoms of asthma