Yeah, I'm terrible at seeing doctors for things though, first off I don't have a good hospital in my area, the one in town we call the malpractice center, constant and often deadly misdiagnosis come from the er and about a fifty percent chance of catching an antibiotic resistant infection if you have surgery there. So it's at least an hour drive to a 'real' hospital and you can't get there by ambulance because they only transport to the malpractice center. So in emergency situations it pretty much self-treat at home, try to stabilize and if that truly can't be done (so far hasn't been the case) then consider risking the trip to hospital. If it can be stabilized and treated at home, eh move on with life. I've become a pro at dealing with shock generally brought on by intense pain, butterflying gashes, treating concussions, dislocationed joints, pulled muscles, sprains... But once the crisis is over and since I didn't 'need' to go to the hospital I almost always forget about it and appt with 'real' doctors are hard to get too almost every dr, GP included is at least a week or more out.

Starz - I would mention it to both your neuro and PCP. It may or may not be related to MS and could be something else going on.

Edit: Sometimes when I feel like it is squeezing so much I can't breathe, I put my hands over my head and try to take deep breaths. This does help both the feeling of not being able to breathe and the spasms in my rib cage.