What about a mild dose of Xanax? Pot if it doesn’t make you paranoid. Anxiety is high everywhere. Sorry for your very stressful circumstances.

Hopefully, spouse and family can help you get through these educational 'waverings'.

Good luck.

You're not alone. Do you feel anxiety? Find someone you trust or at least respect or like and spend time with them, let them know you're stressed, as On The Cusp says. There should be a school counseling resource which might help. Many students are stressed.
Remember this: too much blood co2 can feel just like anxiety. When people get tense, they tend to do quick shallow breathing. This doesn't allow blood co2 to exchange for oxygen as it should, and the excess co2 can feel just like anxiety. Try some deep, slow, breathing in a nice or quiet place.
See if that helps.
And yes, take a politics vacation as dkmich suggests -- it will still be here when you're ready. Several common herbal supplements are good for calming. Without knowing your medical condition, it would be a mistake and illegal for me to advise for specifics, but maybe your doctor or nurse could tell you whether herbs are right for you. Ask them about chamomile tea, and others. But check before trying supplements, to be safe. They can interact with meds.
Deep breathing should be safe and satisfying.
I find Tuvan throat singing to be soothing, if that's your cup of tea. Look for Alash Ensemble on the tubes, especially their first cd "Alash". They're nice people. If you don't like them, try other serene music.

Breathe deep, and know that people care about you.

This might help, it does for me:

https://www.youtube.com/watch?time_continue=147&v=92i5m3tV5XY

Fuck that: an honest meditation

As you think, you are. Make it good.

How are you feeling?

breathing problem checked out. Regular provider or an immediate care center, emergency room not first choice. Extra stress, anger and pain are hard on the body and can cause a separate physical condition that needs addressed. Do not ask for an anti-anxiety or anti-depressant medication, or mention you think the breathing is stress related. If you do some practitioners will stop thinking about all possible causes and close up the visit. Let them perform as full a history, ask questions and do as full physical exam as possible. If their opinion is then it could be stress related - it more likely is.

The advice in the comments on stress reduction, meditation, yelling and focusing thoughts are good for both short term until you see someone and to incorporate in a long-term plan to prevent more problems that could come in time or minimize this one.

Exercise and movement are essential for good health. If I remember there are limitations, but you could probably do many of the exercises in the Sit and be Fit programs. It would be great if you could find a pool to simply walk around letting the water lift your body into a normal position. Another interesting program is therapeutic equine. Unfortunately usually expensive and not too many programs around the country.

Keep us updated - we care.

I can only add that I appreciate you and wish you the best in your efforts to reduce stress.

Namaste

Meditation is supposed to be good. I can't do it yet, but like calculus (which I also can't do) I know it's really useful.

Sometimes I just think about people who have gone through tough times. When I was a kid in NY there were friends parents that survived WW2, in the camps or fled shelling and fought for their lives. They some how made it. Sometimes you just have to grit your teeth and crawl through the broken glass, because the only way out is through the middle. You've prob. done that a bunch of times already. Sucks for sure.

I haven't had the chest constricting thing, I get more of an overload where I'm screaming inside "STOP!STOP!STOP!! If I could just grab one thing to hold onto I'll be ok". Then there's actual puking part of "if I gotta deal with this one more time I'm gonna puke" thing.