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Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. Syphilis is spread through sexual contact and pregnant woman can also pass the infection to the fetus. If untreated, syphilis can cause problems throughout the body, including the brain, after many years of infection. A blood test can detect the infection. Syphilis can be treated with doses of a single antibiotic medication.

Information about syphilis in pregnancy and congenital syphilis.

Resources for the Public

Information about Syphilis
How to Prevent STDs
Sexual Health Information
Helpful Websites

Resources for Medical Providers

  • Please read this message from CDC and FDA ( regarding the potential for “false positive” syphilis test results conducted using the Bio-Rad Laboratories BioPlex 2200 Syphilis Total & RPR kit. Please note that Oregon State Public Health Lab does not use the Bio-Rad testing platform to test for syphilis.
Syphilis is Reportable - How to Report

Resources for Local Public Health

Bicillin Distribution Program

STD Data