How does my doctor know I have syphilis?
A blood test can tell for sure if you have syphilis. Sometimes other tests can show how far the syphilis has spread. For example, your doctor may want to look at your spinal fluid. This is a way to see if the syphilis bacteria has spread to your nervous system.
Resolving the Common Clinical Dilemmas of Syphilis by NR Birnbaum, M.D., RH Goldschmidt, M.D., and WO Buffett, M.D. (American Family Physician April 15, 1999, http://www.aafp.org/afp/990415ap/2233.html)
Written by familydoctor.org editorial staff