Hello dear
Warm  welcome to Lybrate.com
I have evaluated your query thoroughly .
*  This is in relation with intestine infection .
*  Guidelines for better  outcome  
Consume plenty of liquids .
Prefer soft , light  , bland , vegan  diet .
Avoid  all types of  oily , spicy , non veg , hot beverages , junk foods , dairy fat .
Intake of Anti emetic ( as ondancetron ) , PPI  ( as 
omeprazole ) , antibiotics  ( with 
metronidazole on pack ) 
pro biotics ( with lacto bacillus ) help  to  give  faster  recovery .
*  Eye swelling with breathlessness  need  to  be  addressed  to  your  
    family  doctor  immediately .
Hope this clears your query .
Wishing you fine recovery .
Welcome for any further  assistance .
Regards dear take care .