Hi and welcome to the forum, Have you considered having your Gall bladder checked. Go to the site below and read the symptoms to see if they may fit yours....
My guess would be nerves since the doctors couldn't find anything wrong and you state you are depressed. Your symptoms doesn't sound like symptoms of Gerds. My advice would be to get started back...
Sometimes I think some Doctors are in the business to make money and will start out guessing what may be the problem and having you comeback every few days just to get office call paid. If they cure...
I have had heartburn since I was 15 years old I am now 75. During all that time, I have tried almost everything to cure the heartburn and GERD. I had surgery in 1970 because of an Ulcer but that did...