What is chlamydia?

Chlamydia is the most common sexually transmitted infection in the UK. Untreated chlamydia can cause serious long-term complications such as infertility


Most people don't have obvious symptoms, so might not know there's even a problem, meaning it's even more important to make sure you're clear - request a test kit here.

Sometimes, people with chlamydia might notice the following:

In women

  • A vaginal discharge that's different than usual

  • The need to pee more often or pain on peeing

  • Pain during sex

  • Pain in the lower abdomen

  • Irregular bleeding between periods or after sex

In men

  • A discharge from the tip of the penis

  • Pain and/or burning when peeing

  • Irritation at the tip of the penis

  • Painful swelling of the balls (testicles)

We recommend that you have a check up at your local sexual health/GUM clinic if you notice any unusual signs or symptoms.