GERD symptoms and breathing issues. Etc.

I have acid reflex issues, initially I consulted doctor and he asked me to reduce weight. I reduced nearly 14 kgs in 1 year.. 99 to 85.. in the mean time the doctor gave tablets like rantac, pan d.. but for past 6 to 8 months.. I have the same issue with breathing problems.. doctor has Said life style changes which am doing by sleeping little high pillows and eat dinner early etc.. my mouth becomes very dry.. I keep drinking water.. but still no cleared.. I took a tablet called montac lc which I use normally for sneezing allergy.. so when I have this dryness symptom which slowly starts into breathing problem.. i take montac lc every 2 or 3 days once.. this tablet makes me normal.. I want a remedy..kindly suggest me some solution.. thanks in advance