<s>[INST] My so of 3 year old is getting cold n cough past 4 months, last 20 days we hae put him on antibiotics for 5 days, after hat he was ok for 10 - 12 days, agiain once ains have started n he was back to school wih in a week he have a lo of cough now. what should we do. [/INST] Hello, It can be a part of upper respiratory tract infection. If there is any signs of infection, antibiotics must be stated. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr. Shinas Hussain </s>