Abstract
Background: Under-reporting is a major issue of ADR spontaneous reporting system. This study assesses the knowledge, attitude, and practice of healthcare professionals in Children's Hospital in Vietnam and suggests solutions to enhance ADR reporting rate based on findings. Methods: A cross-sectional study was conducted and 397 self-administered structured questionnaires were distributed to all potential HCPs working in surveyed hospital within 2 weeks from June 03 to June 20, 2020. Results: Overall response rate was 97% with 384 responses. A majority answered correctly ADRs' knowledge apart from form supplier (1.6%) and possible causes (2.6%). The need to focus on patient care (33.3%) and the trivia of reaction (31.5%) reduced HCPs' attention. About 61.7% reported once in their career, 49.7% had training. Having trained group had numbers of practice significantly higher than their counterparts. Major reason for not reporting was lack of information and instruction. Preferred solutions were regularly training, updating, and collaboration of HCPs in reporting ADR. Conclusion: Healthcare professionals had adequate knowledge, positive attitude, and moderate practice. Training significantly raised the number of practices in reporting ADR. Preferred solutions were regular training, updating, and collaboration of healthcare professionals in ADR reporting.