my story

[ThinkPositive]

I'm 18 yrs old and I've suffered from bad breath since 2012. From early 2013 it just got worse. At this moment it can be smelt from feet away, fill out a room too. I don't know what it smells like which is very frustrating. I know that it can smell of rotten meat but ever since i stopped eating meat the rotten smell is not present, or maybe i just cant smell it. My saliva is very acidic,my throat can get very dry and the acidic saliva is worse. The smell of my breath when my saliva is acidic i don't know what it is, probably a poopy smell, and its probably worse than rotten meat cuz it doesn't go away, no matter what you eat or drink!
my ct scan had to be reschedule because of . I m defo have post nasal drip. When I blow out my nose sometimes yellow mucus comes out and I've realised it comes from a very deep place in the nose, but this only happens in my right nostril, my left nostril nothing really comes out.
another possibility is my digestive system, i don't have many bowe movements and when not much comes out. I've had diarrhoea before which i panicked and took medicine to stop it and then i experienced constipation.
i really don't know what to do anymore.