Chlamydia is a sexually transmitted infection (STI) caused by a bacteria.
- It is the most common bacterial sexually transmitted infection (STI).
- Chlamydia can affect men and women.
- Most people won’t have any obvious signs or symptoms, this means you can be infected without knowing.
- If there are symptoms, they usually show up 1-3 weeks after becoming infected.
- Chlamydia is easily treated with antibiotics.
- If left untreated, it can cause longer term health problems including infertility (not being able to have a baby), and pain, especially in the abdomen (area below your belly button).