抗生素是临床上应用最广泛、最重要的一类抗感染药物。近年来,一些基层医疗单位,在用药指征不十分明确的情况下,联合应用抗生素的现象相当普遍,这是当前一个非常重要又亟待加以解决的问题.下面就抗生素的并用问题讨论如下:一、抗生素的分类由于生物化学、微生物和药理学的进展,近年来对抗生素的作用方式也有了进一步的认识,将其分为三类:第一类:速效杀菌剂。包括青霉素类、先锋霉 Antibiotics are clinically the most widely used and most important class of anti-infectives. In recent years, some grass-roots medical units, in the case of drug indications are not very clear, the joint application of antibiotics is quite common, which is currently a very important problem to be solved. The following discussion on the use of antibiotics are as follows: The classification of antibiotics As biochemistry, microbiology and pharmacology advances in recent years, the role of antibiotics also have a more understanding of the way, will be divided into three categories: The first category: quick-acting bactericide. Including penicillins, pioneer mold