Breathing Problem. Meal n after sleep.

I was diagnosed with Rhematic artheristis,twice in till now at age 14 & 27 ..i have used penicillin 12lac for 4yrs & 1yr...But due to severe joint pains doctors suggest me pain kilers like Disprin..which has disturbed my stomach now have hiatus hernia, Actidity am managing but am having breathing problem from side nose, burning n lot of thik white saliva comes out when i split ,due to which i can't take breathing properly n cant sleep ..2yrs bck i have checked with pulmonologist one doctr said i hav TB,only  mountex test was positive ..i used tabs for 20 days ,but i checked with two more experienced doctrs ..after doing some tests chest exray they confirmed i dont have anything i have to stop tablets...i get blood when i brush in the morning to remove that thik saliva due to discomfort... when i remove tht saliva i feel little comfort n this saliva comes more after meal n after sleep...