What is Chlamydia?
Chlamydia is 1 of the most common sexually transmitted infections (STIs) in the UK.
It’s passed on through unprotected sex (sex without a condom) and is particularly common in sexually active teenagers and young adults.
If you’re a woman, sexually active and under 25 in England, it’s recommended that you have a chlamydia test once a year, and when you have sex with new or casual partners.
If you’re a man, sexually active and under 25 in England, it’s recommended that you have a chlamydia test once a year if you are not using condoms with new or casual partners.
Symptoms of chlamydia
Most people with chlamydia do not notice any symptoms and do not know they have it.
If you do develop symptoms, you may experience:
- Pain when peeing
- Unusual discharge from the vagina, penis or bottom
- In women, pain in the tummy, bleeding after sex and bleeding between periods
- In men, pain and swelling in the testicles
If you think you’re at risk of having a sexually transmitted infection (STI) or have any symptoms of chlamydia, visit a GP, community contraceptive service or local genitourinary medicine (GUM) clinic to get tested.