Hey Texas,
You must go to
http://cantbreathesuspectvcd.com/page4.htm
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I have both asthma and VCD, VCD was caused by sever reflux, heartburn, GERD what ever you want to call it!
If you are not getting any relief from asthma drugs and your O'2 stats are NORMAL, then it could be Vocal Cord Dysfuction. No matter how many steriods, nebulizers you take it will not solve the throat issue. You must see and ENT while in distress and be scoped, or see some speech therapists. Many hospitals (ER's) around the world don't know what VCD is and the difference between asthma and VCD.
Remember VCD will not kill you, its just scary and oxygen will open the air ways, so get to a hospital. ASTHMA how ever will kill you, so until you know the difference, go to the hospital, try not to panic.
Go to the above web site and check it out, it may help you
God Bless Texas (p.s i miss that band) WW