Hello dear
Warm  welcome to Healthcaremagic.com
I have evaluated your query in details  .
* Intestine infection from various possible reasons .
* Primary guidelines for better outcome 
- drink plenty of liquids .
- dietary measures as taking .
- get prescription of antibiotic with 
metronidazole on pack , pro biotics with
  lacto bacillus with your doctor .
Hope this clears your doubt  .
Wishing you fine recovery .
Welcome for any further  assistance .
Regards  take care .
Dr. Bhagyesh ( MS , FMAS - consultant surgeon )