In recent years, syphilis has grown again with alarming numbers, not only in Brazil, but worldwide. In October 2016, the Ministry of Health recognized that the situation was getting out of hand and declared an epidemic.
Most cases are in the Southeast region (56%), the most urbanized and developed in the country. The disease that previously affected the poorest population, today affects all social classes .
Syphilis is caused by a bacterium, Treponema pallidum, and the group of people affected by it is mainly young adults, however, it is also present in the elderly and in pre-adolescents .
The authors report a case of manifestation of urticarial lesions in secondary syphilis.