Vomiting after a heavy workout?

clarambrosia
Yesterday I signed up for this 30-day intro class at this gym where they specialize in real, authentic boot camp led by a former US Marine Corps Drill Instructor. Everyone was raving about the place on Yelp so I decided to give it a try. Keep in mind, I'm a pretty fit person and I practiced and trained for a variety of sports. I quit all of them because I wanted to focus on school so I was kind of out of shape but I can usually handle what comes to me. Little did I know, this place was NOT for me.. the exercises were extremely difficult for me and like they advertised on their site, it is legitimate boot camp complete with the guy screaming in your face and making you run laps with a giant rope if you don't do the exercises properly. At the end of the class, I started throwing up repeatedly and was wondering if it's because I didn't eat an amazing breakfast or just because I wasn't used to that kind of workout? I've never thrown up after a workout. Also, I felt extremely light-headed/dizzy/nauseous when I went home.
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+1 y
I ate something right away when I went home, hydrated myself plenty and I still felt really sick.
Updates
+1 y
As much as I hate to, I'm probably going to go back to do the classes but how do I avoid getting sick if they push you that hard?
Vomiting after a heavy workout?
7 Opinion