Nursing care in central and peripheral venous access is part of nursing work, and the quality of care is affected by the presence of phlebitis in various hospitalization areas. Therefore, factors related to phlebitis are identified. Objective: To analyze the development of scientific evidence on intrinsic and extrinsic factors associated with phlebitis in hospitalized patients. Methodology: A literature search was carried out in databases over the last ten years. There was no language restriction, studies in English, Spanish and Portuguese published in full-text indexed journals were included. A critical analysis of each selected article was carried out, creating a matrix for ordering and categorizing. Results: From a total of 64 articles, 9 were included of which 2 were English and 7 in Portuguese, whose results were that there are intrinsic factors specific to the patient, extrinsic fa...