作者: S. Esau , J. del Carpio , J.G. Martin
DOI: 10.1016/0091-6749(84)90257-4
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摘要: Abstract We compared the effects of ketotifen, a drug with antihistaminic and antianaphylactic properties, those clemastine, conventional H 1 antihistamine, on cutaneous airway reactions to histamine allergen in atopic asthmatic subjects. Eight subjects received seven mg twice daily, for two periods 3 wk. A 2-week interval separated medication. Maximum expiratory flow rates were measured before after each treatment period did not change significantly. Bronchial provocation testing was performed first medication, provocative concentration required reduce forced volume sec by 20% from control increased 4.9-fold ketotifen ( p