“…1 Underreporting of ADEs, including serious or severe ADEs to spontaneous reporting systems by healthcare professionals is common. [5][6][7] Failure to report ADEs is influenced by many factors, such as lack of time, indifference, malpractice litigation concerns, lack of motivation, lack of economic incentive, complacency, lack of knowledge on ADE reporting requirements, and negative attitudes. 5,6,8,9 In addition, reluctance to send reports based on mere suspicion of ADEs, lack of confidence in recognizing adverse drug reactions, misconceptions about ADE reporting, and difficulty in accessing means of reporting (eg, forms) [10][11][12][13][14][15][16] also affect the reporting of ADEs.…”