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What is it?

Chlamydia is one of the most common sexually transmitted infections (STIs) in the UK. If found and treated early it will not cause any problems.

Anyone can catch it, but chlamydia is most common in men and women under 25 years old.

However, if it is left untreated it can affect your health. Women could experience:

  • lower abdominal (tummy) pain due to pelvic inflammatory disease (PID)
  • infertility (difficulty becoming pregnant)
  • ectopic pregnancy (pregnancy in fallopian tube)

In men it can cause epididymo-orchitis (painful, swollen testicles).

Detailed information on STIs is available on the NHS website.

See the FPA website for a range of downloadable leaflets on sexually transmitted infections.

The British Association for Sexual Health and HIV (BASHH) website also features a range of downloadable leaflets on STIs.