Abstract The objective of this study is to better understand the tensions involved in the fear of making an error due to the harm and risk this would pose to those involved. This is a qualitative study based on the narratives of the experiences lived by ten acting physicians in the state of São Paulo, Brazil. The concept and characterization of errors were discussed, as well as the fear of making an error, the near misses or error in itself, how to deal with errors and what to do to avoid them. The analysis indicates an excessive pressure in the medical profession for error-free practices, with a well-established physician-patient relationship to facilitate the management of medical errors. The error occurs but the lack of information and discussion often leads to its concealment due to fear of possible judgment by society or peers. The establishment of programs that encourage appropriate medical conduct in the event of an error requires coherent answers for humanization in Brazilian medical science.