Hello dear
Welcome to Health care magic family .
I have gone through your concern in depth .
@ This is in relation with 
gastritis and 
acid reflux  .
@ Ideal management must be physician consultation and treatment , in 
    absence of that general guidelines for better recovery 
-  Consume more liquids in sessions .
-  Soft , light diet at intervals .
-  Avoid oily , spicy , non veg , chilly , excess fat , ghee items .
-  Capsule 
omeprazole ( 20 ) mg morning and evening with sips of water
    1  hr  before  breakfast and dinner  ;
    Syrup  Mylanta 5 ml every 6 hourly 
    help  to  recover  faster .
Hope this will help her .
Welcome always  for  further  doubts .
Thanks for patience evaluation of this answer .
Regards dear .