My first time using Reddit, bare with me. 
So, back in October I started to feel a little weird. Before going to bed I felt like I was drowning, I’d wake up out of my sleep gasping for air. Just about every night this happened. Recently, I started getting the feeling of not being able to take a deep breath, or yawn. I did multiple test, blood, heart echo, pulmonary exam. They all came back with nothing. The pulmonologist said I do have 77% of lung capacity they put me on an inhaler that doesn’t seem like it’s working, but when I went back they said I was at 89% capacity. So On paper it’s helping but I still have these times where I can’t breathe or feel like I can’t breathe and it causes panic attacks. It got so bad I haven’t driven in a month, I haven’t been to work, I’m terrified to be alone because what if I stop breathing? Needless to say, a bunch of ER visits and they tell me it’s anxiety. I’m stuck here, does anyone have this issue or had? What helped fix it? I started therapy but we will see how that goes.