The overuse of medicines has frequently occurred at health facilities in Vietnam. Many factors affect prescription. This study was carried out to investigate the patterns of outpatient prescription and factors related to prescription of doctors. Subjects and method: Cross-sectional study with a total of 300 outpatient drug prescriptions and 30 questionnaires of physicians were conducted at Phongdien Medical Center, Cantho city during the period of 2017 - 2018. Results: The average number of drugs in each prescription was , with of antibiotics, of corticosteroid and of vitamins. The most influential factors in the prescription were the Ministry of Health's Diagnostic and Treatment Guidelines, clinical examination and side effects of the drugs. Conclusion: In general, there were many shortcomings in prescribing and the indicators did not reach the World Health Organization's recommendations. The effect factors need to be taken into account in order to improve the rationality, safety and effectiveness of prescriptions at Medical Center. | Assessment of outpatient drug prescription with national health insurance at Phongdien Medical Center during the period of 2017-2018
