Abstract
Objective: To estimate the prevalence and possible risk factors associated with Sexually Transmitted Infections (STIs) in old age. Methods: This is a cross-sectional, analytical study of a quantitative character, carried out in the northern region of Brazil, from March to December 2019, with 200 elderly people, who were submitted to questionnaires and rapid tests for Syphilis, Hepatitis B, Hepatitis C and Human Immunodeficiency Virus (HIV). Results: The prevalence of Sexually Transmitted Infections (STI) was 6% and among the 12 occurrences, 9 cases (4.5%) of syphilis were observed, two (1%) of hepatitis C and one (0.5%) HIV infection. There was an association between having STIs and being a man, having a fixed relationship and not using condoms routinely. Conclusion: The results showed a high percentage of STIs among the elderly associated with several factors, showing situations of vulnerability in this population. Continuous education is proposed through health professionals, addressing various aspects of sexuality, ways of preventing and transmitting STIs, in addition to early diagnosis, thus providing a better quality of life for this population.