云南白药常用于治疗跌打损伤、外伤出血以及咯血.便血等出血症,几乎无副作用。但我们曾见到应踊云南白药引起血小板减少2例,现报告如下。例1 罗某,男,35岁,痫例号1159。患者1984年10月发现胃溃疡病。1986年2月18日因上腹痛、大便色黑来院就诊。诊断为:胃溃疡并上消化道出血。给予云南白药0.5g,1日3次;甲氰咪胍0.2g,1日3次, Yunnanbaiyao commonly used in the treatment of bruises, traumatic hemorrhage and hemoptysis .Hemorrhage, hematochezia, almost no side effects. However, we have seen should be led Yunnan Baiyao caused thrombocytopenia in 2 cases, are as follows. Example 1 Luomou, male, 35 years old, epilepsy No. 1159. Patients with gastric ulcer disease were found in October 1984. February 18, 1986 due to upper abdominal pain, stool black to the hospital. Diagnosis: gastric ulcer and upper gastrointestinal bleeding. Give Yunnanbaiyao 0.5g, 3 times a day; cimetidine 0.2g, 3 times a day,