Abstract: Objective To study the occurrence and distribution of adverse drug reactions(ADR) induced by antibacterials in our hospital to provide reference to clinical rational drug use of antibacterial agents. Methods 106 reports of ADR cases induced by antibacterials from 2009 in our hospital clinical departments were collected and analyzed retrospectively by drug types, drug names, route of administration and clinical manifestations. Results Antibacterials had occupied the first place in our hospital's adverse drug reaction, most of them resulted from cephalosporins, macrolides and quinolones. Conclusion It is necessary to pay more attention the ADR induced by antibacterials to promote the rational use of antibacterials.

Key words: antibacterial agent, adverse drug reaction, analysis