I've had some lower abdominal pain + intestinal issues after having found out that i had rectal chlamydia for many months. infection gone, but sometimes pain still, could it be pid, or something else?

Persistent pain: Is it rectal or pelvic?You may want to start with a visit to your gyn. You could then get a pelvic exam and find out weter it's normal.If it is then see a gastroenterologist.

Ok see doctor: If you are still having symptoms like that it could be any number of things including infections. Please see a gastroenterologist to have further evaluation. Good luck to you!