hi,my child is 6 months old and he has having cough for last 25 days.doctors has advised levolin and budecort nebulisation twice a day for 5 days.but there is no improvement.now my child has started vomiting due to cughing.should i continue the nebulisation or only steam will help?my main question is for how many days i can give nebulisation with levolin and budecort without any harm effect on my baby