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目前,医生使用大处方、大剂量的现象十分普遍。这种现象的形成,或出于经济利益的驱动,或由于对疾病的某种特殊需要。但总的来说,既要考虑经济效益,也要考虑社会效益,能用少量药物取得疗效的,药的用量不宜过大。煎服中药,一般以水为溶媒。加水量一般为药量的4～5倍为宜。药量增多势必增加水的用量。同一方剂,在一定的条件下,加水量愈多。其煎出的有效成分也增高。但加水量是有一定限度的,如加大剂量,其煎出的
At present, it is very common for doctors to use large prescriptions and large doses. The formation of this phenomenon, either driven by economic interests or due to certain special needs of the disease. But in general, we must consider economic benefits, but also consider social benefits, can use a small amount of drugs to obtain efficacy, the amount of drugs should not be too large. Decoction of traditional Chinese medicine, water is generally used as a solvent. The amount of water added is generally 4 to 5 times the dose. Increased doses will inevitably increase the amount of water used. The same prescription, under certain conditions, the more water is added. The active ingredients it blew up also increased. However, there is a limit to the amount of water added, such as increasing the dose and frying it out.