目的：研究盐酸左西替利嗪治疗慢性特发性荨麻疹的疗效和安全性。

Objective:To evaluate the efficiency and safety of the new kind of second generation antihistamines(levoceti-rizine)in the treatment of chronic idiopathic urticaria.

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目的评价国产依巴斯汀治疗慢性特发性荨麻疹和过敏性鼻炎的临床疗效和安全性。

Objective To evaluate the efficacy and safety of ebastine in the treatment of chronic idiopathic urticaria and allergic rhinitis.

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结论：非索非那定为治疗季节性过敏性鼻炎和慢性特发性荨麻疹的安全有效的药物。

Conclusion: Fexofenadine is an effective and safe medication for treating seasonal allergic rhinitis and chronic idiopathic urticaria.

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结论：非索非那定为治疗季节性过敏性鼻炎和慢性特发性荨麻疹的安全有效的药物。

Conclusion: Fexofenadine is an effective and safe medication for treating seasonal allergic rhinitis and chronic idiopathic urticaria.

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