this could be viral infection.
The current protocol is avoid antibiotics and give symptomatic treatment until the patient develops fever
high grade,cough with sputum
It is good to give these medicines and see your child improves or not.within 5 days.as most viral infection in upper respiratory infection
goes off in 5 days.
If fever comes or increase, child stops playing,eating etc,cough with sputum arises then do consult a Paediatrician to start antibiotics according to the weight of child.(u have not written weight).