syphilis contagious period
During the primary stage of syphilis, a sore (chancre) that is usually painless develops at the site where the bacteria entered the body. This commonly occurs within 3 weeks of exposure but can range from 10 to 90 days. A person is highly contagious during the primary stage.ymptoms of congenital syphilis include: 1  A highly contagious watery discharge from the nose. 2  Painful inflammation of the bone coverings. 3  Contagious rash that frequently appears over the palms of the hands and soles of the feet.