My son is 4.5 year old.. just last month he had a fever with cold, and since this morning he has had a fever again.. why does he experience fever frequently? Is it due to weak immune system? Or just because of current summer heat ? Should we get the physical examination done ?

A. Cold is mostly because of viral infection and allergic conditions. Common symptom are usually sneezing running, nose, nasal stuffiness or congestion. It may be associated with fever and cough. Treatment usually consist of anti allergic, antipyreticsb decongestant medicine as a home remedy, you can give steam inhalation, which will be helpful