Chlamydia is the most common sexually transmitted infection in the UK and affects both men and women.

Without a test you probably wouldn't even know if you had it - there are usually no obvious symptoms.

It's easy to treat but if left untreated, chlamydia can cause serious long-term complications such as infertility.

There's lots to know about chlamydia, so we've broken it down into sections. Use the menu on the right or below to find what you're looking for and if you can't see what you need, get in touch.

You can order a test kit - it will be delivered in discreet packaging, about the size of a few DVDs, and comes with instruction of what you need to do.