in women, pain in the tummy, bleeding after sex and bleeding between periods.unusual discharge from the vagina, penis or bottom.If you do develop symptoms, you may experience: Most people with chlamydia do not notice any symptoms and do not know they have it. 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. 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. It's passed on through unprotected sex (sex without a condom) and is particularly common in sexually active teenagers and young adults. Chlamydia is 1 of the most common sexually transmitted infections (STIs) in the UK.
