浸出制剂的类型,按所用的洛媒来分,一般可分为两类:一类为用水作溶媒的浸出制剂,如汤剂、浸剂、浓煎剂、煎膏剂等;另一类为用不同浓度的乙醇作溶媒的浸出制剂如酒剂、酊剂、流浸膏 ...
其中的酒剂和酊剂,因含有乙醇,可促进一些药物在胃中的吸收速率。 2.混悬剂:质点为500~2000nm,药物须从颗粒中溶解或释放后才被吸收,因此其生物利用度低于汤剂而高于其它固体制剂。
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