Thank you for your query.
As your son has fever, vomiting and soft stool it is advisable to get his stool routine examination done and treat him as a case of gastroenteritis
. You can give him:
5 ml. 4 hrly to reduce the temperature.
2. Ondansteron 5 ml. three times a day for 1 day to control vomiting.
3. Plenty of oral fluids.
4. Depending on the stool report an antibiotic if diarrhoea
Once the diarrhoea is controlled then he can be investigated for celiac disease
. A work-up for the enlarged kidney should also be done by the following basic investigations:
1. Urine routine examination.
of the KUB region.
I hope I have answered your query to your satisfaction. Please feel free to revert back in case you need any clarifications or would like to share more facts.
Wishing your son a speedy recovery.