Thanks for the query to H.C.M. Forum.
is from 8-10 hours so may be due to overeating or indigestion
or food poisoning
( mild degree).
Warm body is due to high temperature because vomiting and diarrhea develops high temperature.
Plenty of juice, hot water will help, if still vomiting than get in 2-3 Ringer lactate infusion .
Banana will help in both vomiting and diarrhea.
Intravenous infusion after the advice of doctor.