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Azelastine is a potent, second-generation, selective, histamine antagonist (histamine-H1-receptor antagonist) used a a first line therapy of mild intermittent, moderate/severe intermittent and mild persistent rhinitis (new classification system for rhinitis). Azelastine has been formulated both as a nasal spray and as eye drops and are available worldwide under many brand names.〔 ==Medical uses== Azelastine nasal spray is indicated for the local treatment of the symptoms of seasonal allergic rhinitis and perennial allergic rhinitis, such as rhinorrhea, sneezing and nasal pruritis in adults and children 5 years of age and older.〔AHRQ (Allergic Rhinitis and its Impact on Asthma (ARIA) treatment guidelines )〕〔 (【引用サイトリンク】 Rhinolast Nasal Spray Summary of Product Characteristics )〕〔 (【引用サイトリンク】 Astelin FDA Prescribing Information )〕 In some countries, it is also indicated for the treatment of vasomotor rhinitis in adults and children ≥ 12 years old.〔 Azelastine eyes drops are indicated for the local treatment of seasonal and perennial allergic conjunctivitis.〔 (【引用サイトリンク】 Optilast Eye Drops Summary of Product Characteristics )〕〔 (【引用サイトリンク】 Optivar Eye Drops FDA Prescribing Information )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Azelastine」の詳細全文を読む スポンサード リンク
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