If chlamydia isn't treated, it can sometimes spread and cause potentially serious problems.
Chlamydia is a common sexually transmitted infection.
Not everyone with chlamydia has symptoms. Common symptoms include unusual discharge from your vagina or penis and pain when peeing.
Chlamydia is mainly spread through unprotected vaginal, oral or anal sex. If you’re pregnant, you can also pass it to your baby.
Chlamydia is treated with antibiotics. You can get treatment from a sexual health clinic.
You can help to prevent chlamydia by using a condom during sex and not sharing sex toys.
Page last reviewed: 04/06/2018
Next review due: 04/06/2021