HELP please! (anxiety problems)?

For a couple months now there are times when my heart starts to beat really fast, and I feel really anxious for no reason.(btw i’m 16 if that helps,I get the same feeling with energy drinks, they NEVER give me energy however they do make me panic for some reason) Even if everything is fine and life is going on well I get these like attack of anxiety. I was sitting in class and all of the sudden I started to feel anxious. I felt like I had to get up and get out of the classroom; I was even having a little trouble breathing. I tried to wait it out but now it’s been a while and I still feel it a bit. Sometime I might just be hanging out with my friends and I start to feel the same way. What can I do stop this feeling or ease it? I don’t want to take meds either so please don’t suggest that. Thanks for your help!

I don’t eat much at all and that works. I also take mucuna puriens and magnesium, which are a gray area as far as meds go. I use a heating pad when I have an anxiety attack. Also, when I talk to the counselor (anyone who cares really; I just can’t find anyone), she stops the pain within an hour.

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