A young man presents to the emergency depament with a maculopapular rash 2 weeks after healing of a painless genital ulcer. The most likely etiological agent is -: (A) Treponema Pallidum, (B) Treponema Peunae, (C) Chalmydia Trachomatis, (D) Chalmydia Trachomatis
Answer is A. Syphilis causes genital ulcers and cutaneous lesion of any morphology( macular, papular, papulosquamous, nodular ) but is never vehicular or Bullous. Causative agent of syphilis is Treponema pallidum. From illustrated synopsis of dermatology and sexually transmitted diseases neena khanna 5th edition page no 320