OBJECTIVE To analyze the risk factors for skin tests on cephalosporins,assess the reliability and the guidance value of the skin test results.METHODS A retrospective observational study was performed for skin tests on cephalosporins from August 1st,2013 to July 31 st,2015 by using an electronic medical record system in a tertiary care hospital.Ceftriaxone,cefuroxime,cefazolin,cefotiam,ceftazidime,cefperazone-sulbactam were involved.The age,gender,department,skin test result,drug name,production area of drug...