I am giving budecort & levolin inhaler to My 4 years son since he was of 5 months.in starting he was suffered from phnemonia 2 to 3 time back to back after giving so many meditation doctor starts budecort 100 and levolin.and the doses are 1 in morning & 1 in evening after some time the doses are from 1 to 2 in morning and 2 in evening and 2 to 3.now last two years doctor gave him budecort 200 one puf in morning and two puf in evening. Inspite of that my son was not perfectly fit, after every 10 to 15 days he suffer from severe cough and cold and congestion. Then I given him so many pufs of levolin in a day with other medicines continuously for 5 to 10 days he take 7 to 15 days to recover every month. And after recovering he will be fine for 10 to 15 days after that he again starts suffering from the same problem. What can I do to improve his immunity. I am in deep tension due to the kid problem. Pls give me some solution.