Sarah, do you take your inhaler before you run or do you wait until the symptoms kick in before using the inhaler? I have mild asthma, it's nothing like as severe as yours from what you've said but I always take 2-3 puffs whilst I'm warming up or lacing my shoes up. Do you do this as well? I do have sympathy - it was the worst thing before the doc told me I had asthma. I would, as the others have said, get your asthma meds re-checked again though. Lots of people still run with few symptoms once they've got the right treatment.