就药物吸收的速率和数量来说,通常对药物输送的选择首先是静脉途径。静脉给药使药物直接进入血流,并保证几乎立即输送至靶器官,因为给药部位没有药物损失,静脉输送药物被认为对机体是十分有效的。如果药物难溶于血浆而产生沉淀,药物的分布将受到障碍。但 In terms of the rate and amount of drug absorption, the usual choice of drug delivery is primarily the intravenous route. Intravenous administration directs the drug directly into the bloodstream and ensures almost immediate delivery to the target organ, since there is no loss of drug at the site of administration, intravenous drug delivery is considered to be very effective on the body. If the drug is poorly soluble in plasma and produces a precipitate, the drug’s distribution will be hampered. but