Primary
Painless chancre in 3-40 days
Regional lymphadenopathy
Chancre lasts 2-6 wks, then resolves
Tx- benzathine penicillin G 2.4 MU IM
Syphilis
Primary
Secondary
Latent
Tertiary
Secondary
2 m after infection Rash: "great imitator" - Nickels and dimes - "Ham-colored" macules Resolves in 3-12 wks
Latent
Serology positive
No signs and symptoms
Tertiary
CNS involvement Aortitis Tabes dorsalis Argyll Robertson pupil Gummas - skin findings Tx- PCN G