Hello dear
Warm  welcome to Healthcaremagic.com
I have evaluated your query thoroughly .
*  Guidelines for better recovery from 
nausea post 
typhoid fever :
-  Drink more liquids in sessions preferably boiled water , lemon juice ,
    coconut water , butter milk etc.
-  Prefer light , soft , bland diet .
-  Avoid excess dairy fat , spicy , oily , non veg , junk foods , hot beverages
-  Regular walking , exercises , YOGA
-  Check to have regular smooth bowel movements .
-  Avoid alcohol , 
smoking if using .
-  Intake of PPI  with anti emetic ( as 
domperidone or ondancetron ) for
    faster recovery .
Hope this clears your doubt  .
Wishing you fine recovery .
Welcome for any further  assistance .
Regards  take care .