Warm welcome to Healthcaremagic.com
I have evaluated your query for your husband in details .
* The issue seems due to intestine infection with systemic manifestations
giving fluid electrolyte imbalance
* Primary guidelines till he meets his doctor for vital parameters
Consume plenty of liquids in form of boiled water , lemon juice , coconut water , home made juices , organic tea , coffee , butter milk etc .
Prefer soft , light , bland , vegan diet with fresh curd preferably .
Avoid all types of oily , spicy , non veg , hot beverages , junk foods , dairy fat , milk , aerated drinks till recovery .
Intake of PPI ( as omeprazole
) , antibiotics ( with metronidazole
on pack )
Racecadrotil as an anti secretory agent help faster recovery , which requires prescription with your doctor .
Hope this will help to clear your doubt .
Wishing him fine recovery .