what is this caused by?
sexually transmitted infection with bacterium treponema pallidum
presentation of primary
chancre at site of inoculation
mucous membranes can have snail track
presentation of secondary
red rash all over body, especially on soles of feet and palms of hands
presentation of tertiary
CNS and CVS complications years later
diagnosis
blood and swab of chancre for PCR
antibody tests
management
penicillin