Syphilis is one of the sexually transmitted diseases. When entering the body, the spirochete will manifest as ulcers commonly found in the genitals. Then, if not treated, the spirochete will enter the blood, causing disease in the organs. This is stage 3 syphilis.

Syphilis is a sexually transmitted disease. It is easily treated with antibiotics. However, if syphilis is contracted and left untreated, the infection can lead to a number of serious conditions that can cause dangerous, even life-threatening complications.