罗红霉素(roxithromycin)罗红霉素的抗菌谱与红霉素相似,其抗菌作用与红霉素相同或稍弱。口服后易吸收,生物利用度50%。饭后服药可影响吸收。单次口服150mg后2小时左右血药浓度达峰值(6～8μg/ml);连续每日口服2次,每次250mg,其平均峰浓度为9.3μg/ml。与蛋白结合率约90%。药物 Roxithromycin roxithromycin antibacterial spectrum similar to erythromycin, its antibacterial activity and erythromycin the same or slightly weaker. After oral absorption, bioavailability of 50%. After taking medicine can affect absorption. A single oral administration of 150mg 2 hours after the peak plasma concentration (6 ~ 8μg / ml); continuous daily oral 2 times, each 250mg, the average peak concentration of 9.3μg / ml. The binding rate with the protein is about 90%. drug