Respected user , Hi
Thanks for using Healthcaremagic.com
I have evaluated your query thoroughly .
*  This is due to intestinal infection .
*  Suggestions for better recovery
-  Drink plenty of liquids in sessions .
-  Soft , light diet at intervals .
-  Avoid oily , spicy , non veg stuffs , hot beverages .
-  Cap.
omeprazole ( 20 ) mg morning and evening with sips of water on
    empty  stomach .
-  Do not take  
ibuprofen  which  irritates  gastric  mucosa  more , in stead
    can  take  
drotaverine  safely .
-   Avoid  prolong  fasting , over eating .
-  Regular walking , exercises help .
-  Avoid 
stress , 
anxiety .
-  Regular sound sleep of 8 hrs .
*  Consult later doctor if required after 48 hours of above .
Hope this will help you for sure .
Welcome for further guidance .
Regards dear .