#AskTheExpert. hello dr this is shyam here. i would like to have ur advice.this is about my son and he is 3.5 years.he becomes sick and catches cold very easily very often. i was advised to use spacer inhaler budicort and duolin during urti. i was recommended to use budicort inhaler regularly for my son. i have taken x ray cbc crp and all possible tests everything show not abnormalities. is prolonged use of inhalers gud for kids. wat should be done to help reduce the infection and get him normal to fight infections with our own immune system.