A very big questions about chlamydia whats goin on please help!!?

i went to my doctor and they said me and my boyfriend had chlamydia they treated us there at the ER, and give us big white pills and give us 4 of them at the same time i went to my OBG doctor and did another STD. Test and they came back saying i dont have chlamydia no more and im in the clear but i still have green discharge coming out of vaginal what does this mean and by the way the doctors at the ER, give me cpirofloxacin to fill out i did and my boyfriend was on doxycyline but i still have very thick greenish discharge what does this mean