My 2 year 11 month old boy has cough from 6 days which disturbs his sleep, runny nose and mild fever 39 degree celcius which is on and off, low appetite and soft stool , doc here told it is viral and we have to wait for 7 days, and has given some antiallergetic medicine. and asthalin for cough but cough does not seem to come down even after 6 days, please help!