shortness of breath and wheezing

i started running back in september and am now up to 3-4 mile runs 3x per week. starting about a month ago i started to feel pretty short of breath about a mile into my run. it's enough that i often feel like i have to stop and walk just to catch my breath. at first i figured it was because it was getting colder (i'm in NYC) and also because my lungs just needed to get into better shape. often i just try to "run through it", but it really doesn't get any better throughout and usually i am really gulping for air by the end of my run. then about two weeks ago i started to notice that after my run i was wheezing for about ten minutes. has anyone else had this experience? i'm thinking perhaps i have exercise-induced asthma (i should say that i had adolescent asthma that disappeared when i was about 12), but i don't want to blow this out of proportion of it's just something that will go away once i'm in better shape. 

thanks for any advice!

You should really go to your GP - what you describe does sound like exercise induced asthma to me - having suffered from it myself.  If this is the case then you won't just be able to run through it.  A properly managed course of medication is the only way.  After years of poorly managed asthma - my fault I didn't take the preventative medication when I felt 'well' only to end up in A&E a couple of times - I now take my inhaler (Symbicort) daily and consider myself asthma free. 

Does indeed sound like some form of asthma. GO TO DOCTOR!!!

I have bad enough asthma that in the past it's landed me in hospital a few times but now with proper medication I can run year round almost completely symptom free.

I agree with others in that it sounds like asthma. I'd suggest going to your GP and explain to them about your symptoms.

Asthma.

You might find that it does go away as you get fitter - mine did.  But its not worth taking a risk in the short term so seek medical attention.