The incidence of primary syphilis is on a decline because of excellent responses to penicillin and increase in awareness of sexually transmitted diseases STD among youths and sexual workers. Syphilis is a STD caused by the spirochete Treponema pallidum.
chancre Primary syphilis
Journal List IDCases v. Call your doctor if you or your child experiences any unusual discharge, sore or rash — particularly if it occurs in the groin area. Persons who receive syphilis treatment must abstain from sexual contact with new partners until the syphilis sores are completely healed.
References Syphilis. ZIP Code: Fitzpatrick's Dermatology in General Medicine.