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哮喘病人只有出现症状时方需用药.而反复发作或影响睡眠及其它活动的持续症状者则需连续的预防用药方案.本文不涉及急性危及生命的哮喘.A.肾上腺素能制剂:新的β肾上腺能兴奋剂,如舒喘它(Salbutamol)、叔丁喘宁(terb-utaline)为β_2选择性,可扩张支气管而对心脏影响较少.吸入这类制剂副作用最少可迅速缓解症状,而且可预防运动引起的支气管痉挛.通常使用定最喷药吸入器给药,但有严重呼吸道阻塞的患者及不会使用吸入器的小儿可用动力连续喷雾器吸入药物.
Patients with asthma require medication only when symptoms develop, and those who experience recurrent or adverse effects on sleep and other activities require continuous prophylaxis. This article does not address acute, life-threatening asthma. Adrenergic agents: New beta Adrenal stimulants, such as Salbutamol and terb-utaline, are β 2 -selective and expand the bronchus with less impact on the heart. Inhalation The side effects of such agents can at least be quickly relieved of symptoms and can Prevention of exercise-induced bronchospasm, which is usually administered using the most up-spray inhalers, but patients with severe airway obstruction and children who do not use inhalers can inhale the drug with a powered continuous sprayer.