Quote Originally Posted by HappyTexasMom View Post
No solutions for you, but I get like this, too. It has gotten a little better over time, but it does seem like once I reach that point, *bam* I'm done. I get rapid breathing and heartbeat, and feel like I can't quite catch my breathe. I will almost invariably get a migraine later in the day when this happens (although last time I drank huge amounts of water and electrolyte replacement powder and I didn't; not sure which of these things made the difference or if it was just a fluke).
Yes, this is me too. I usually get a headache after I run. My heart seems fit to burst right out of my chest, too. No wonder I never got into running, lol!

Maybe more water/electrolytes? Sometimes I feel all sloshy when I drink a lot of water, which leads to feeling barfy.. sorry, TMI..