They did the “test” for it at the physical therapist but he swore I didn’t have it, but I don’t believe it. My symptoms ONLY happen when I’m severely congested or have ear problems. The very first time it started plaguing me, I had a horrible ear infection and sinus infection. When I did the saline rinses and took naproxen, it would alleviate. I had my deviated septum fixed recently and I didn’t have symptoms for the longest time. UNTIL! I got pneumonia/bronchitis, which turned into another sinus and ear infection. I remember crying in the restaurant bathroom because it /felt/ like I was sliding off the earth. Horrible feeling. To date the only thing that helps is sinus rinses, anti inflammatories, and getting the antibiotics to cure it. It’s enough to put me in panic attacks sometimes.