Chlamydia
Chlamydia trachomatis is a bacteria that is passed from one person to another through sex. It can cause problems if it's left untreated, so getting a test after unprotected sex is important.
What is it and how do I get it?
What might I notice?
How do I get a test?
How do I get treatment?
Should I tell the people I have sex with?
Related STI pages
Find out information about other STI's below
Contact Us
Where can I read more