WebMD: Better Information. Better Health.
Skip to content
Other search tools:Symptoms|Doctors

Sexual Conditions Health Center

Chlamydia - Cause

Chlamydia infection is caused by the bacterium Chlamydia trachomatis. It is spread during vaginal, anal, or possibly oral sex with an infected partner. A pregnant woman may spread the infection to her newborn during delivery.

You can spread chlamydia even if you do not have symptoms of infection. You can spread the infection until you have been treated.

WebMD Medical Reference from Healthwise

Last Updated: January 18, 2007
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
Next Article:
Video

Learn how one doctor vaporizes the infection.

Watch Video

Most Popular Stories

WebMD Special Sections