Suggest Treatment For Child Suffering From Recurring Cold, Cough And Vomiting

TMy son 1.7 years old has a tendency of catching cold and cough easily and currently he is having it along with vomiting he has been prescribed budecort 0.5 twice and levolin 0.31 four times a day pls advise Monter lc kid is also advisrd and he is taking it from last dec pls advise