Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...

Can it be acid reflux for this long? Yes it can. My mother had a Hiatal Hernia which caused her to have constant heart burn. This happens when the small flap at the top of your stomach, which usually stays closed to keep stomach acid from traveling back up your esophagus, remains open. My mother had to have surgery which worked wonderful for her.
I have acid reflux as well but I just take a simple tums or anything similar and after I eat a meal that is acidic. Some work better than others.
That's tricky if you have a phobia of going to the doc. I think the best thing to do is try and get yourself there cuz you don't want ur anxiety spiraling out of control. Ur doc may be able to put you on something that will help you. Good luck.