Incubation
Develops in 25% of untreated patients, typically 3 months after infection acquired.
Symptoms and Signs
Multi-system involvement within the first 2 years of infection.
Often associated with a generalised rash affecting palms and soles, muco-cutaneous lesions, condylomata lata (confluent wart-like lesions) and generalised lymphadenopathy and fever.
Less commonly: patchy alopecia, anterior uveitis, meningitis, cranial nerve palsies, hepatitis, splenomegaly, periosteitis, arthritis and glomerulonephritis.