Have Halitosis. Yellow Oozing. What To Do?

Dear Dr. How do you do I have difficult halitosis and it take during long time. the center of difficult is my tonsil , I refer to local doctors, So the tonsil hasn t problem, they said. finally, one them had prescribe a composition of washing serum and ??? which be make by himself formulation. I used the above mention and after 4/5 days I saw yellow oozing when I did weak up morning, then it become decreased accordingly, the halitosis is better too But I think that its sectional period and it will began after stooping. Your direction shall be great full and very thanks for your attention. AMIR 43 Years Male