I've had asthma for three years so I often have troubled breathing during sports events. However 2 weeks ago in my volleyball game I started feeling light headed and my chest hurt. My breathing was very rapid and not wheezing like an asthma attack. My athletic trainer thinks I might have had a panic attack. Now, often after sprints or running 2 miles or just working hard I start breathing really fast and get dizzy. My chest hurts sometimes and once I felt nauseous. However I never am afraid or think I'm dying. And also the rapid breathing comes randomly like once it happened after lifting weights and usually after running. Once it started happening while I was taking a test and I was nervous. Someone please tell me what's wrong! Is this panic attackS? What can I do? Should I see a doctor?