PFTs would not be normal even with exercise induced asthma.
Do you have the results?
It now comes on at anytime.
EIA is from intense exercise generally.
acid reflux is often an undiagnosed cause of shortness of breath from bronchospasm.
This can be at anytime, it can be aggravated by exercise. Anxiety can make it worse.
In some cases the only way to diagnose this is with PH monitoring of the esophagus.
I suggest you ask your doctor about this.
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