Hello dear
Warm  welcome to Healthcaremagic.com
I have evaluated your query in details  .
*  The current episode is from possible bacterial or viral infection .
*  Uses of the said drugs are :
1. Stepan d    - PPI with anti emetic for control of possible 
gastritis and                        
nausea control along with antibiotic .
2. Bdquin - oz - antibiotic to control  the basic infection .
3. Ynroglu - L  - pro biotic to support intestine 
gut flora replenishment in                        
diarrhea .
*  Additional gargles with salted lukewarm water added peppermint oil 3 
    times a day will help to recover faster .
*  Have to continue all of the above drugs as per the directions of your 
    doctor .
Hope this  will help  to clear your doubt   .
Wishing you fine recovery .
Always welcome for any further assistance anytime .
Regards  .