Allergic Asthma  (过敏性哮喘)

过敏性哮喘是一种常见的呼吸系统疾病，其特征是呼吸道炎症和反复发作的呼吸困难，由接触花粉、尘螨、动物皮屑和霉菌等过敏原引起。它涉及免疫介导的反应，导致支气管收缩、气道肿胀和粘液分泌过多。过敏性哮喘通常与花粉症或食物过敏等其他过敏性疾病相关，通常发生于有过敏史的个体，吸入皮质类固醇和过敏原特异性免疫疗法疗效良好。过敏原、呼吸道感染、环境污染物或天气变化都可能诱发哮喘加重，可根据病情严重程度使用支气管扩张剂以及全身性或吸入性类固醇进行治疗。

Allergic asthma is a prevalent respiratory condition marked by airway inflammation and recurrent episodes of breathing difficulties triggered by exposure to allergens such as pollen, dust mites, animal dander, and mold. It involves an immune-mediated response leading to bronchoconstriction, airway swelling, and excessive mucus production. Often associated with other allergic disorders like hay fever or food allergies, allergic asthma typically develops in individuals with a history of atopy and responds well to inhaled corticosteroids and allergen-specific immunotherapy. Exacerbations may be provoked by allergens, respiratory infections, environmental pollutants, or weather changes, and are managed using bronchodilators and systemic or inhaled steroids depending on severity.

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