HI Sunny,
thanks very much for your answer. I'm home now and going to see the doctor tomorrow.
I am still not able to breathe very well and have to go on a business trip in two days, involving a 1,5 hour flight and two days in a convention center. Is that a bad idea?
GERD can most certainly affect your asthma if it isn't under control. The reflux can get into your lungs and cause inflammation and even damage. I would talk to your doctor about your GERD if you think that is making things worse. The sands did not help you either though.
Good luck, Sunny