I have asthma, so I understand the feeling of not getting enough oxygen. Have you ever considered the possibility that you have GERD/reflux? My asthma was made much worse by my reflux until I got it into control. You can have asthma-like symptoms caused by reflux getting into your lungs, which can be damaging.
I suspect that your allergist will be aware of the GERD/asthma connection, so be sure to mention it. You can have silent reflux and not even be aware that it is happening.
Let us know how your appointment goes!
Nissen Fundoplication 2/09
"Whatever you fight, you strengthen, and what you resist, persists.”
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“Accept - then act. Whatever the present moment contains, accept it as if you had chosen it. Always work with it, not against it.”