most of the diarrhea
and vomitting occuring together are a result of diffuse inflammation of gastrointestinal tract and called as acute gastroenteritis
.The duration of this syndrome may be variable and last upto 7 days. The main stay of therapy in such cases is correction and prevention of dehydration
,symptomatic relief avoiding complications and side effect of drug,optimal nutrition and support recovery.
Antiemetics and antidiarrheals including antibiotics and antiprotozoals have limited role if any.
The immediate focus should be on correction of dehydration,which is possible in most situations by oral rehydration if done properly.
The standard practice is to give WHO ors
in small frequent aliquots.A 9 kg child needs approx 1 litre of maintenance fluid +negative balance according severity of dehydration.
The drugs for vomiting
may be given for persistent vomiting .appetite is lost in all viral infections.