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有的药品一是服三次,有的一日服一次,有的要空腹服、饭前服,饭后或睡前服用等,这是为什么?药物要人体内形成一定的浓度才能起到治病的作用,浓度消失的快慢,决定了药的间隔时间,在体内消失慢而有效浓度维持时间长的药物,用药时间可大些,反之,用药时间隔时间就要短些,间隔次数多些。体内消失快的药物多是口服3～4次,消失慢的长效磺胺,日服一次可达到一定
Some drugs first serve three times, and some times a day, and some should be fasting service, before meals, after meals or before going to bed and so on, which is why? The drug to the body to form a certain concentration in order to play a therapeutic The role of the speed of concentration disappears, determines the interval of medicine, the body disappears slowly and the effective concentration of a long time to maintain the drug, medication time can be larger, on the contrary, medication should be shorter time interval, the number of intervals more. Quickly disappear in the body of the drug is mostly oral 3 to 4 times, long-term disappearance of sulfonamide slow, once a day can be achieved