Is there other types of tests for syphilis besides blood?

Yes: If syphilis of the brain is suspected, we will check the cerebrospinal fluid. And sadly, sometimes syphilis is diagnosed only at autopsy, after it has produced its terrible long-term effects. Thankfully, nowadays this is uncommon.

Syphilis is caused: By a bacterium called treponema pallidum. Syphilis can be diagnosed by finding antibodies in the blood, examining for bacteria in samples from open sores under a microscope (primary ; secondary syphilis) or in some cases examination of cerebropsinal fluid via lumbar puncture.