Antimicrobial use related problems and determinants in surgical ward of Ethiopian tertiary hospital.

Antibiotic use related problems were common among the hospitalized surgical patients. Prolonged hospitalizations, number of medications, and lower qualifications of practitioners were predictors of antibiotic use related problems. Therefore, more emphasis should be given for patients with prolonged hospitalization and multiple medications. Moreover, practitioners with higher qualifications including surgical specialists need to be involved in patient evaluations.