Okayy i have asthma also. Havinqq asthma can be hardd when losinqq wieght! PREDNISONE is a steriodd which is qoinqq to cause you to qain WEiGHT! Okayy i havent beeen on for about a year know and the reason is because i switchedd to SYMbICORt it helps prevent attacks! and it also helps you qain more energyy and not have shortness of breath. It reallys helps so i reccommend that yu ask your doctor!!! GOODlUCk