Most people who have chlamydia don't notice any symptoms.
If you do get symptoms, theseusually appear between oneand three weeks after having unprotected sex with an infected person. For some peoplethey don't develop untilmany months later.
Sometimes the symptoms can disappear after a few days. Even if the symptoms disappear youmay still have the infection and be able to pass it on.
At least 70% of women with chlamydia don't notice any symptoms. If they do get symptoms, the most commoninclude:
If chlamydia is left untreated, it can spread to the womb and cause a serious condition called pelvic inflammatory disease (PID) .This is a major cause of ectopic pregnancy and infertility in women.
Ifthey do get symptoms, the most common include:
If chlamydia is left untreated, the infection can causeswelling in the epididymis (the tubes that carry sperm from the testicles) andthe testicles. This could affect your fertility.
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You should also get tested if you don't have any symptoms but are concerned you could have a sexually transmitted infection (STI) .
If you're sexually active and under 25 years old, youshould get tested for chlamydia every year or every time you have a new partner.You can get tested in places such as pharmacies, colleges and youth centres.
Chlamydia is one of the most common sexually transmitted infection in the UK. Find out who is most at risk, where to get tested, and how it's treated.
Read about the possible symptoms of chlamydia that can be experienced by men and women, and find out when you should seek medical advice.
Read about who should have a chlamydia test, where you can get tested and what the test involves.
Read about how chlamydia is treated, including how long treatment lasts, whether you'll need to return to the clinic, and how long you'll need to avoid having sex.
Read about the possible complications that can develop if chlamydia isn't treated, including fertility problems in women and men.
Read Sally's story about how she discovered she had chlamydia when she was 16. She describes her symptoms and how she was diagnosed and treated.
Read the real story of Julie Dawson, who was diagnosed with chlamydia when she was 18.It had developed into advanced pelvic inflammatory disease (PID).