sometimes I'm fine and other times I feel like crying and shutting down

I have felt like you many times,  the crying just comes over you and it is better to let it out.  Then again I will go for a long periods of time and be fine.  I do believe it is the nature of the disorder .

I am glad to hear you are going to be able to see your counselor on Tuesday.

Remember we are here for you.

Kindly,

Kitt

Deep breathing will help when you are feeling panicky and light-headed. Try this... take a big deep breath and imagine filling the bottom third or your lungs first, pause, then fill the second third, pause, and finally fill the top third until full. Exhale in the reverse order.
Close your eyes, and repeat this for up to ten minutes, or until you feel better. You are not going to pass out or have a seizure, and I can assure you that you are not bleeding internally. This is your body reacting to stress, and your mind is trying to attach an explanation to it. Do go to your appointment, and I'm sure that you'll get some reassurance and guidance from the doctor as to where to go from there.
Good luck and let us know how it goes,
Scaredy Cat