Suggest Treatment For Recurrent Bronchial Asthma

Hi doctor my daughter is 5yrs old and she is suffering from bronchial asthma
From last 3yrs she was on budecort 100 and levolin for 1 yr and asthalin syr. It was not curable every month she has attack of cold and cough and dr. prescribed us antibiotic always. Some time we have to hospitalised to her
Last month also she was hospitalised and now she is suffering from attack again. I gave her duolin respulse every 2hr and budecort 0.5 Twice. And advent syr 5ml twice. Still not recovered. Plzzz help me dr.