I called Dr.Grubbs office a few weeks ago. I assumed I wouldn't get in to see him for 6 months to a year. Boy was I surprised when they said I could see him July 1st. Anyways, I was telling him about this episode I had a few weeks ago where I had burning sensations in my arms, and back, felt really funny and had increased urination and/or diarrhea after the attack, amongst several other symtpoms. I asked him if he thought MCAD was possible. He said if I had MCAD, that my face would turn red and that I would pass out. I do have facial flushing. I feel like I am going to pass out, but for some reason don't. He also said MCAD is very difficult to diagnose. Just because it's difficult to diagnose means I shoul not be tested? There has to be a cause of my dysautonomia. Or, is the burning sensations in my arms, and back, feeling really funny and had increased urination and/or diarrhea after the attack normal for people with POTS? And I feel itchy all over (at times), and sometimes it feels like its on the inside. And what about pain, is that also a common symptoms with POTS? Does he even have an autonomic lab? If he doesn't know how to go about testing me for MCAD, or other auto immune disorders, why can't he send me to someone who does. I don't not know how to go about finding these Dr.'s on my own. Or is lyme a possibility? A few years ago I had an ELISA which was positive and a Western blot that was negative. I assume that meant I didn't have Lyme. But today he wrote me out a lab order for lyme titers. Whats that, another ELISA and Western blot test? Also, he had catecholamines written on the lab order, and when I went to get the blood test they had me lay down for a half hour, drew blood, then had me walk around for a half hour, then they drew my blood again. I took lexapro(calms the nervous system) and coreg(beta blocker)before I went to my appointment, would this make the catecholamine test inaccurate? Also celiac was written on the lab order, so I assume they are checking me for celiac. I just don't MCAD and Lyme are difficult to diagnose, but would like to tested to rule out things. Wish I knew what Dr's I could go to who were very experienced with certain auto immune disorders.