Hello...my Stool Is Fluffy And Tapered At Times Sometimes Dark

hello...my stool is fluffy and tapered at times sometimes dark and hard as well as having excessive mucous mixed with red coating the stool. sometimes there are puss balls that come out with my stool as well as an infectious smell left ovet on the toilet paper{yes i smelled it}. i had rectal chlamydia which was undiagnosed for 5 years it is now cured after 2 colonosopies and an endoscopy both coming back with no negative results. my doctors says i am fine but i do not believe my symptoms are normal..im at a loss what to do can you offer advice?