Respected user, hi I evaluated your query thoroughly .
* There are innumerable causative organisms giving rise to stomachache of 
   varying intensity from mild to 
severe pain .
* Be clear in your mind that all efforts you will make will be towards the 
   better  well being of your stomach in future but does not mean 
   permanent solution  at all what so ever medical center in the world you 
   consult .
* These are some  life style modifications  which help you to keep stomach 
   at  its best pace in life 
- take small amount of light diet at regular intervals 
- balanced diet containing all necessary ingredients according to the weight
  and age 
-  fix timing of breakfast , lunch , dinner till possible
- avoid late night dinners 
- chew your food very thoroughly
- amla , triphla , turmeric , honey , ginger are best herbal products to
  keep your stomach fine 
- avoid all oily / spicy / non vegetarian stuffs / beverages / junk foods / 
   excess cheese , ghee , sugars, artificial sweeteners  etc.
- make a list of any food / liquid item after consumption of which you have
  ache, always omit them
- remain ambulatory with regular walking , exercises, YOGA
- avoid 
smoking / alcohol / any abuse substances 
- avoid 
stress / 
anxiety - your major enemy
- have regular sound sleep of 7-8 hours 
- avoid pain killers till possible 
- in our clinic we recommend to go for Upper GI 
Endoscopy in selected cases
  for evaluating underlying H.Pylori infection & further management 
- check to have regular smooth bowel evacuations on regular basis .
Hope this clears your query .
Welcome for any further assistance .
Thanks for using Healthcaremagic.com & giving me an opportunity to assist
Wishing you fine recovery from the same. 
Regards dear take care .