Hello, I've Been Working For 18 Months In Dusty Environment

Hello, I've been working for 18 months in dusty environment and only now I feel my own breath Stinking weirdly like rotten fat...I can't seem to be able to describe well.The smell resides in my breathing area on clothes.if suspended work, the symptom disapears.how can Ikeep my job and stay ok.Maybe you can send me some palleative treatment or even a something more serious.Thank you