作者报道1例静脉输注两性霉素Ｂ引起的低镁血症手足搐搦。病例　患者男性、17岁,体重50ｋｇ。患慢性肉芽肿病,因曲霉菌肺炎静脉点滴两性霉素Ｂ(胶体溶液),剂量每天逐渐增加,至第6天,剂量为50ｍｇ(每天1ｍｇ/ｋｇ,24小时内静脉滴注)。治疗后热退,但由于肾功能受损,在治疗第11天 The authors report a case of hypomagnesemia tetany caused by intravenous amphotericin B. Case patients male, 17 years old, weighing 50kg. In patients with chronic granulomatous disease, amphotericin B (colloid solution) was intravenously administered to Aspergillus pneumoniae in doses of 50 mg daily (1 mg / kg intravenous infusion over a 24-hour period) until day 6. Heat treatment after treatment, but due to impaired renal function, on the 11th day of treatment