If left untreated, individuals with this STD can develop tertiary syphilis. Although rare, it may affect various organ systems, including the heart and blood vessels, as well as the brain and nervous system.Tertiary syphilis appears 10-30 years after the initial infection, and it can cause serious damage to the internal organs, even leading to death. Tertiary syphilis can be diagnosed with multiple tests. To avoid this, it is important to get tested on time and start treatment as soon as possible. Sexually active women and men should use protection to reduce the possibility of transmitting the STD.
