ABSTRACT
OBJECTIVE:To put forward some suggestions for improving the testing method on foam volume specified in drug quality standard in China.METHODS:The current testing method of the foam volume in vaginal effervescent tablets specified in drug quality standard was analyzed systematically and comprehensively and compared in respect of the measuring tool,water volume added for foaming,system temperature and operation method,etc.RESULTS & CONCLUSIONS:The problems of the quality standard for the testing of foam volume manifested as nonstandard in operation and incomplete in contents,which were mainly caused by the lack of unified guidelines in setting quality standards for different categories.The drug manufacturers should attach great importance to all links that affect the drug quality and establish and perfect a guideline for the quality standard of the foam volume testing so as to further standardize the standard.