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1位6岁女孩因癫痫口服卡马西平(Carbamazeping)400mg,每日三次,4个月.此时因患肺炎给予丁二酸乙酯红霉素(Erythromycin ethylsuccinate)250mg,每日4次,口服(50mg/kg/day).应用红霉素5日,出现了呕吐、无力、嗜睡、共济失调、眼震和嵌齿轮样运动(cogwheeling movements).血清卡马西平浓度由用红霉素前的11.9mg/L增加到25.8mg/L.停用红霉素,其血药浓度又回落到原来水平,临床症状也消失
One 6-year-old girl was given Carbamazepin 400mg three times a day for 4 months due to epilepsy, at this time her erythrocytes were given Erythromycin ethylsuccinate 250mg orally four times a day (50 mg / kg / day), vomiting, weakness, drowsiness, ataxia, nystagmus and cogwheeling movements on erythromycin on day 5. Serum concentrations of carbamazepine were measured before treatment with erythromycin Of the 11.9mg / L increased to 25.8mg / L. Disable erythromycin, its plasma concentration dropped back to the original level, the clinical symptoms disappeared