I need advice

I have been here before, I have been sick for about five years now. First I was told that I have copd, then I finally got to see a specialist and was told no I have brittle asthma. That was about two years ago, now he says that he does not know what is wrong and that I am the only person in about 15 years that he has seen that the medicine is not helping. He always goes back to allergies. I mean, I take seretide,theo-dur,singularpred,and airomir. But if I go fast around a corner or up stairs, or laugh too hard or walk too far, I get winded,dizzy, see stars,cough, not to mention that I have not had a good night sleep in about five years, without a couple beers. any thoughts????? I am starting to think that I am going nuts!