吴某、男、45岁,因牙疼去个体诊所就诊,给服甲硝唑0.4g,3次/d。于服药第2d出现流感佯症状:四肢酸痛、乏力、头晕、头胀、打喷嚏、流涕、流泪。未引起注意仍继续服药,次日上述症状更为严重,心烦、坐立不安。检查:体温、血象均正常,其它无阳性体征发现,考虑为甲硝唑引起,停服甲硝唑,翌日症状消失。 Wu, male, 45 years old, to individual clinics for toothache, to service metronidazole 0.4g, 3 times / d. In the first 2d medication symptoms appear flu: limbs pain, fatigue, dizziness, head swelling, sneezing, runny nose, tears. Did not pay attention to continue to take the medicine the next day the above symptoms are more serious, upset, restless. Check: body temperature, blood were normal, no other positive signs found, consider metronidazole caused by stopping metronidazole, the following day the symptoms disappear.