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...

I have felt alone also but now I know there are so many people everywhere dealing with what you are going through & problems way worse as well. If you need anyone to talk to - I'm here - & yes I have felt the same as you.
Have you tried to do some general deep breathing or mediation? there are tons of them on the internet and can be a starting point.
You don't say if you have panic attack meds or not but I would recommend talking to your doc about getting a benzo prescription, not for daily use but just to help when you get overwhelmed and get upset.
Also, for the record, we judge ourselves way more harshly than the people meeting us do.
I can't tell you how much I appreciate all of your kind words and advice.