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药物的副作用系治疗量药物固有的药理作用。当运用某种药物实现某种治疗作用时,其它作用往往以副作用方式出现。药物的治疗作用与副作用,是药物作用的二个方面。也就是说,在甲种疾病可能是副作用,而在乙种疾病治疗上可能是治疗作用。阿斯匹林是很古老的解热镇痛药,临床应用近百年,不少病人服用阿斯匹林出现出血倾向。可是近些年人们根据这一副作用研究发现,阿斯匹林能防止红细胞的凝集,抑制血管弹性酶的产生,抑制凝血酶元的合成,防止血小板的凝聚和粘连,并逐步用于动脉硬化、脑血管痉挛、脑血栓形成的治疗,以及出血性疾病的诊断,
The side effects of drugs are the pharmacological effects inherent to therapeutic drugs. When using a drug to achieve a certain therapeutic effect, other effects often occur in the form of side effects. The therapeutic effects and side effects of drugs are two aspects of drug action. In other words, a type A disease may be a side effect and may be a therapeutic effect in the treatment of B type diseases. Aspirin is a very old antipyretic analgesic. It has been clinically used for nearly one hundred years. Many patients have bleeding tendency when taking aspirin. However, according to this side effect study in recent years, people found that aspirin can prevent the agglutination of red blood cells, inhibit the production of vascular elastase, inhibit the synthesis of thrombin elements, prevent platelet aggregation and adhesion, and gradually used in arteriosclerosis, Treatment of cerebral vasospasm, cerebral thrombosis, and diagnosis of bleeding disorders