(一)卡那霉素和链霉素在临床应用上有何不同?1.对革兰氏阴性菌的感染,卡那霉素与链霉素都具有疗效。本品对革兰氏阴性菌的抗菌作用较链霉素强大,而革兰氏阴性菌对链霉素特别容易产生耐药性,不宜作为首选,更不能单独应用,必须与其它有效抗生素联用。2.对革兰氏阳性菌的感染,卡那霉素主要对葡萄 (A) of kanamycin and streptomycin in clinical application What is the difference? 1. Gram-negative bacteria infection, kanamycin and streptomycin are curative. This product against Gram-negative bacteria antibacterial effect stronger than streptomycin, and Gram-negative bacteria streptomycin particularly susceptible to drug resistance, not as the preferred, but can not be used alone, must be combined with other effective antibiotics . 2. Gram-positive bacteria infection, kanamycin mainly on the grapes