我院发现,个别患者服用桔梗片后产生低血压反应,现报告2例如下:例1:王×,男性,28岁。因上呼吸道感染,给予桔梗片2片(每片含量0.09g),每日三次,同时服用维生素 B_1 和六神丸。患者空服后不久感到全身不适,继而头晕,恶心作呕,四肢出冷汗,血压80～90/50～60mmHg, Our hospital found that individual patients taking Campanulaceae hypotensive reaction, are reported as follows 2 cases: Example 1: Wang ×, male, 28 years old. Because of upper respiratory tract infection, given Campanulaceae 2 (0.09g per tablet), three times a day, taking vitamin B_1 and Liushen Wan. Shortly after the patient felt unwell empty service, then dizziness, nausea nausea, extremities out of cold and sweat, blood pressure 80 ~ 90/50 ~ 60mmHg,