About-Syphilis is a bacterial infection usually spread by sexual contact, causes painless sore typically on the genitals, rectum or mouth.
Symptoms- Syphilis develops in stages, and symptoms vary with each stage. But the stages may overlap, and symptoms don't always occur in the same order.
Primary syphilis
Small single or multiple painless sores (Chancre), may be hidden within the vagina or rectum
Secondary syphilis
A rash that begins on the trunk but ultimately covers the entire body