Hi, many thanks for the query!
You need to do certain investigations- CBC, Sr. Electrolytes, Stool (Culture & Microscopy).
Till then take plenty of oral fluids specifically those containing salts like ORS
, Anti-emetics, Anti-biotics as per the stool reports, Antacids, Anti-spasmodics, Pre- & Pro-biotics with your doctor's opinion.
Wish you a good health.