1病例报告患者男,87岁。因咳嗽、咳黄色痰,伴发热、寒战、乏力就诊。查体:体温38.9℃,无胸闷、腹痛、腹泻与关节及肌肉酸痛;X线胸片见双下肺炎症;血常规检查,白细胞13.24×109/L,中性粒细胞0.89。诊断为肺炎。给予盐酸莫西沙星(0.4g)氯化钠注射液250ml静脉滴注,用药后当天晚上患者出现失眠、烦躁、对答不切题等症状。第2天改用头孢曲松钠及阿奇霉素 1 case report patient male, 87 years old. Due to cough, cough yellow sputum, with fever, chills, fatigue treatment. Examination: body temperature 38.9 ℃, no chest tightness, abdominal pain, diarrhea and joint and muscle soreness; X-ray showed double lower lung inflammation; blood tests, white blood cells 13.24 × 109 / L, neutrophils 0.89. Diagnosis of pneumonia. Given moxifloxacin hydrochloride (0.4g) sodium chloride injection 250ml intravenous infusion, the day after treatment, patients with insomnia, irritability, answer the question and other symptoms. The second day to ceftriaxone and azithromycin