It is possible that your son has a food intolerance syndrome such as coeliac disease and this is not an infection at all.in fact it does not seem to be an infection. Try to take your son to a paediatric gastroenterologist.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.