Welcome to the State of California 


Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. Untreated infection can lead to long term health problems, including brain disease. Syphilis increases both transmission and acquisition of HIV. Tests and treatment are available.

For more information, visit the California Syphilis Elimination Effort web page.

For information on Congenital Syphilis, click here.

Looking for guidelines, job aids, or other information? Click here.

STD Control Branch Home | Information About STDs 

Last modified on: 2/25/2016 10:00 AM