I often find that I get CRAZY HOT after a meal. Sometimes I get flushed and sweaty, but most often I just get really, really hot without any visible changes. I've mostly ignored these weird hot flashes, but today I had a really intense one and someone actually asked me if I was okay because I was so red. (This was after a lunch of a small portion of chicken breast, bacon, a bunch of roasted broccoli, and a cup of herbal tea.) I searched around on PH and elsewhere but, while I found mentions of this phenomenon, I didn't find any answers. I read theories about how meat releases the most heat compared to other foods, how over-training can lead to hot flashes (what? really?), and about "meat sweats," but it all seems like conjecture. Can anyone point me toward more information on what causes this and whether I should be concerned?
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I got hot flashes for a few months at first. They'd happened in my face or my core or even sometimes just my feet! I'd get them after eating sweet potatoes or a zero-carb breakfast or totally randomly not even after any particular meal. I'd get them just walking down the street or in the middle of the night or just sitting in my office working. I finally figured that it must just be my body thanking me for providing nutrition to it for once. It's been a year now and I don't get them anymore.
If you're eating fairly low in carbs, you may be in ketosis. I've heard people mention that this sometimes makes them feel very hot, almost as if they can feel the fat-burning over time.
Like Diane, I use to get the hot flashes but gradually they stopped. I found when they stopped my weight loss stalled. Don't know if the two are related.
I also get pseudo-hot flashes, in addition to a runny nose. This happens during/after dinner, which is usually about 6-8 oz. of grilled chicken/fish/turkey and lots of roasted/sauteed greens. The spiciness and/or actual temperature of the food doesn't matter; happens just about every night. Would also love to know what in the heck is going on here!