hi, I am suffering from cough and flu cold for more than 20 days, i am healthy person weighing 80 kgs height 59 and i can do lots of exercises without getting tired but these days once i step on to treadmill i can't even jog for 5 mins getting, i get problem of breathing and i struggle for normal breathing as if i got a asthma attack. i never had asthma but had wheezing before 8 years, it got cured after having levoflaxin 500 mgs. now am stuck with extra fat and cant even jog kindly advice me on this . it will be really greatful