利凡诺溶液和呋喃西林溶液是临床普遍使用的消毒防腐药剂。为保证临床用药的安全有效,应注意和解决影响制剂质量的外在因素。现报告二例由外源性因素造成制剂质量下降的实例。 1 利凡诺溶液沉淀物的由来 我院制剂室制备的0.1％利凡诺溶液,曾一度为质量问题所困扰。每次配制利凡诺溶液量为10000ml,保存在玻璃贮液瓶中,存放10天左 Rivanol solution and nitrofurazone solution is commonly used in clinical disinfection preservatives. In order to ensure the safety and effectiveness of clinical medication, we should pay attention to and solve the external factors that affect the quality of the preparation. Two cases of excretion of excipients caused by exogenous factors are reported now. The origin of 1 rivanol solution sediment 0.1% rivanol solution prepared in our hospital preparation room, once troubled by quality problems. Each preparation of Rivanol solution volume of 10000ml, stored in a glass liquid storage bottle, stored for 10 days left