An antigenic substance has the potential of producing an allergic response in certain individuals. 抗原物质在某些个体内有产生变态反应的潜能。
Antihistamine tablets and syrups Antihistamines prevent the histamine your body produces to the allergen from causing the allergic symptoms. 抗组胺固体制剂和糖浆可以阻止体内产生变态反应原而引发过敏性症状。
