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I have evaluated your query thoroughly .
*  This requires intensive  life style modifications so that over the period of
    time  you will get  results 
-  Drink plenty of liquids .
-  Consume soft , light , bland , vegan diet .
-  Avoid all sorts of oily , spicy , non veg , hot beverages  , junk foods .
-  Keep the stomach empty to 25 % level of the satiety during every meals
-  Avoid prolong fast or over eating .
-  Avoid  resting  for  2  hours  after major  meals .
-  Keep the head end  of  the  bed  elevated for 30 degrees  when  resting .
-  Avoid 
smoking , alcohol if using .
-  Regular walking , exercises , 
YOGA -  Avoid  
stress , 
anxiety .
-  Manage  to   have regular sound sleep of 8 hours .
-  Continue  current  
proton pump inhibitors  , once  you get  
   symptomatologically better  has  to  taper  the  dose  with  medical  
   guidance .
-  If  large  hiatus  
hernia  , surgical correction  is  also  needed  in  many .
Hope this will help youf or sure .
Wishing you fine  health  ahead .
Regards dear take  care .