A syphilis rash often appears as faint or reddish-brown bumps and can be hard to see. The rash usually affects the trunk, palms, and soles but can cover the whole body. Syphilis is known as the "Great ...

Several conditions can cause a false-positive syphilis test result. However, healthcare professionals often use two different tests to diagnose a person with syphilis. Syphilis is a sexually ...