Survey of antibiotic use on outpatient at Can Tho city Otorhinolaryngology Hospital in 2023

Background: The effective use of antibiotic plays an important role in improving health and enhancing the quality of life for patients. The goal of the survey is to describe the situation of antibiotic use and to find out factors related to inappropriate antibiotic use in prescriptions of outpatient at Can tho city Otorhinolaryngology Hospital. Materials and method: A cross-sectional survey on retrospective data from 350 prescriptions of outpatient in 2023. Results: Pathology related to the ear, nose, and throat accounting for 34.3; 54.3, and 36.3% of antibiotic prescriptions, respectively. The most prescribed antibiotics belong to beta-lactam group (98.6%). The number of drugs per prescription has a significant influence on the appropriateness of antibiotic use, with prescriptions containing more than five drugs are 2.3 times more likely to be inappropriate than prescriptions containing not more than five drugs. Patients with ear disease have an inappropriate rate that is more than 14.8 times higher than patients with other diseases. Conclusion: The survey showed that the rationality in antibiotic use was influenced by the number of medications per prescription and closely related to ear disease (p < 0.05).