Whats might be the cause of my difficulty breathing? Well, I am 17 years old and ever since I was in the fourth grade, I've had trouble breathing. I went to the doctors multiple times and they have all told me that it was anxiety, but I do not believe tha

Breathless. Aside from an allergy work up you should have an intense cardiac work up. You mave a n occult cardiac lesion.
You. You may have asthma. You do not need a referral for pfts, you can either get it done at one of the pulmonologist in your area or at a local hospital.