Abstract: AIM:To improve the rational drug use in clinic by discussing characteristics and related factors on adverse drug reactions (ADR) in our hospital.METHODS: Analyze the statistics of 202 ADR reports collected from the records of the returned drugs in outpatient pharmacies.RESULTS:Among 202 cases of ADR, the number of that ADR caused by intravenous injection was the largest which is 75. 74% of the total number of cases (153 cases); ADR caused by infective drugs was the commonest, as 76. 23% of the total number of cases (154 cases). Chinese medicines accounted for 10. 89% of the total number of cases (22 cases). Main performances of ADR were injuries on skin and organ annexes, it was 47. 52% of the total number of cases (96 cases). Follow that, the second most severe injury was on the digestive system, there were 7 more serious ADR (3. 47% ) in statistics.CONCLUSION:The monitoring on ADR should be paid more attention to. It is also necessary to strengthen the management of anti-infective drugs' use and focus on monitoring it to reduce the number of ADR among patients.

Key words: adverse drug reaction, analysis, rational drug use