• Primary Symptoms: Chancre, regional lymphadenopathy,

  

• Secondary Symptoms: Rash, fever, malaise, lymphadenopathy, mucus lesions, alopecia, uveitis, retinitis

• Tertiary Symptoms: aortic aneurysm, personality changes, dementia, ataxia, etc.

Serology Testing

• Ab screening
• RPA - Rapid Plasma Antigen

The more dilution that the titer stays reactive = the more Ab