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软膏剂(Unguenta)软膏剂是用基质与药品均匀混合所制成半固形的外用制剂,它应具有适宜的硬度,遇体温能软化,但不液化。软膏应用时是直接涂敷或擦抹于皮肤、粘膜上,也可涂布于纱布或其他衬料上而敷罨于皮肤上,能保护皮肤,或在皮肤上起治疗作用,或通过皮肤起全身作用。软膏剂所用的基质,中国药典附录软膏剂项下指明为脂肪、脂肪油、羊毛脂、凡士林、甘油、蜂蜡或其他适宜的物质。基质不但影响软膏本身的安定性,对于软膏治疗作用的性质也起着重要的影响,所以选择软膏基质应当根据各种药品的性质及治疗用途之不同而决定,
Unguenta Ointment is a semi-solid topical preparation made by uniformly mixing matrix and medicine. It should have proper hardness, and can soften but not liquefy in body temperature. Ointment applied directly applied or rubbed on the skin, mucous membrane, can also be applied to the gauze or other lining and deposited on the skin, can protect the skin, or on the skin as a therapeutic effect, or through the skin Systemic effect. The matrix used for the ointment is specified under the Chinese Pharmacopoeia as ointment to be fat, fatty oil, lanolin, petroleum jelly, glycerol, beeswax or other suitable substance. The matrix not only affects the stability of the ointment itself, but also plays an important role in the properties of the ointment. Therefore, the choice of the ointment matrix should be decided according to the nature of the various drugs and the therapeutic use.