As your son is having asthma
, he is put on Cap Budecort
Budecort is steroid
. It is used for maintenance treatment of asthma.
While withdrawing the drug you have to make sure that some other drug is available to take care of asthma for your son.
If you discontinue drug suddenly, it might provoke acute asthma attack.
So discuss with your treating physician regarding withdrawing medicine. The drug needs to tapered slowly.
I hope I have answered your query. In case of doubt feel free to consult.