What is wrong with me?

hello, quite embaraassing situation i have, i have had honking breath for years now, my teeth and gums are fine according to dentist. i have been treated for helibactor pylori as i had gerd, i am taking a spray for nasal drip, i scrape my tongue every day and use floss, when im sitting or relaxing i get a smell of poop in my throat, i avoid face to face talking, and its affecting me really bad now, doctor said there was no smell but im sure there is if i can smell it. please help