在美国临床应用的抗癫痫药有二十多种,一些新型的抗癫痫药也逐渐应用于临床。目前,我国临床常用的抗癫痫药有十余种。几年来,困扰医生的重要问题是病人用药的数量多少。多数专家认为,使用抗癫痫药的数量应尽量少,以避免不良反应的产生。通常不良反应与应用抗癫痫药的数量成正比。因此,一般单一药物比多种药物治疗发生的不良反应少,而且治疗费用也低,病人愿意接受单一药 In the United States clinical application of antiepileptic drugs have more than 20 kinds of some new anti-epileptic drugs are gradually applied to clinical. At present, there are more than ten kinds of antiepileptic drugs commonly used in our country. In recent years, the major problem plaguing doctors is the amount of medication used by the patients. Most experts believe that the use of antiepileptic drugs should be as small as possible to avoid adverse reactions. Adverse reactions are usually proportional to the amount of antiepileptic drug used. As a result, generally fewer adverse events occur with single agents than with multiple agents and the cost of treatment is low, and patients are willing to accept single agents