If left untreated or treated incorrectly, chlamydia can result in a number of complications. These include:
- Having an increased risk of contracting other STIs such as gonorrhoea and HIV
- Pelvic inflammatory disease (PID) which is an infection of the uterus and fallopian tubes in women. This can be a cause of ectopic pregnancy and infertility if left untreated.
- Reactive arthritis or Reiter’s syndrome