滴鼻净对鼻腔的副作用早有报道，但导致全身性影响者报道极少。本文报告3例使用滴鼻净而诱发心功能障碍的病人。例1女，45岁。因“变应性鼻炎”近期鼻塞加重而自行使用0．5％滴鼻净，每日4～6次，每侧每次2～3滴。用药第1d晚上，病人出现心慌、胸闷，阵发性发作，每次发作持续2 Side effects of nasal drops have long been reported, but reports of systemic effects have been rare. This article reports the use of nasal drops in 3 cases of patients with cardiac dysfunction. Example 1 Female, 45 years old. Due to “allergic rhinitis” nasal congestion aggravate the recent use of 0.5% nasal drops net, 4 to 6 times a day, each side of 2 to 3 drops. On the first night of medication, the patient developed palpitation, chest tightness and paroxysmal attack, each episode lasting 2