Chlamydia is one of the most common sexually transmitted infections (STIs) in the UK.  

It can be transmitted through oral, anal and vaginal sex.  It is particularly common in young people aged under 25.


Most people with chlamydia don't notice any symptoms.

If you have a penis you may experience burning when you pass urine, discharge from the penis or pain and inflammation in the testicles.

If you have a vagina you may notice a change in discharge, bleeding after sex or between your periods and pelvic pain.


You can order an online test kit SH:24 for free through our website to check for chlamydia infection.

Chlamydia may take 2 weeks from the time of infection to show up on a test.

If you still have symptoms or are worried, you should:


Chlamydia can be treated easily with antibiotics that we provide for free.

If you are treated for chlamydia we will provide you with a personal health checklist 


You can prevent chlamydia and other STIs by:

  • using condoms.  You can request free condoms at our clinics.
  • Testing each time you change your sexual partner can help reduce the transmission of STIs.

More information


NHS Choices - chlamydia

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