Can symptoms of chlamydia infection show up after many years? if so, what are they?

Yes,after many years: Non-symptomatic in majority of women. May develop vaginal bleeding, abdominal pain, urinary frequency oe pain with sex. Often undetected for years & then may cause pelvic inflammatory disease (pid) which causes pelvic pain and infertility from blocked fallopian tubes. Men tend to develop urethritis, urethral discharge and epididymitis. Both partners need treatment with antibiotics if 1 is infected.

Yes: Chlamydia infection can be without symptoms in many women. Internal scarring and fallopian tube damage may occur. Sometimes that scarring can later lead to infertility and/ or pain.