苯妥英钠是一种治疗癫痫大发作的优良抗痉药物,有些癫痫病例治疗效果不理想,主要原因在于用药不当。一般有效剂量,应是血浓度平均1.0～1.5毫克/100毫升(10～15微克/毫升),这就需要平均的日剂量为300～400毫克。一般常规给药的方法和剂量,不是剂量不足就是剂量过度,因此,与其给常规的剂量,还不如给予逐渐增加的剂量,直到发作被控制或消失,或出现毒性作用为止。在某些病人何以300毫克/日的常规剂量并不足 Phenytoin sodium is an excellent antispasmodic drug for the treatment of epileptic seizures. The treatment effect of some epilepsy cases is not satisfactory, mainly due to improper medication. The average effective dose should be an average blood concentration of 1.0 to 1.5 mg / 100 ml (10 to 15 μg / ml), which requires an average daily dose of 300 to 400 mg. In general, the methods and doses of conventional administration are either inadequate or overdosed, so it may be better to give a gradual increase in dosage as compared to conventional dosage until the onset is controlled or disappeared or toxic effects occur. In some patients why 300 mg / day conventional dose is not enough