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古代的中药用量,是直接通过人体实验,采用直观观察和笼统猜测的方法总结出来的。虽然在某些方面是可靠的,但也带有盲目性。现代临床上的中药用量,基本沿袭传统的经验用量,而且又主要以个人经验为依据,用量大小,因人而异,彼此相差悬殊。根据动物半数致死量推算中药的临床用量,为确定中药的用量提供了科学依据。但是有许多中药,因为测不出动物半数致死量,还需另想办法。
The amount of ancient Chinese herbal medicines was directly obtained through human experiments, using visual observation and general guessing. Although reliable in some respects, it also has blindness. The amount of traditional Chinese medicine used in clinical practice basically follows the traditional amount of experience, and it is mainly based on personal experience. The amount of dosage varies from person to person and varies greatly from one another. According to the half-lethal dose of animals, the clinical dosage of traditional Chinese medicine is calculated, which provides a scientific basis for determining the dosage of Chinese medicine. However, there are many traditional Chinese medicines, because half of the animal’s lethal dose cannot be measured.