I Have A Intense Fear Of Someone Touching Me. When

I have a intense fear of someone touching me. When someone does or even just the thought i break out in a sweat, i have a hard time breathing, i can't sit still. This also happens when I have to talk to anyone. It can be a waitress or just talkng on the phone but my heart starts to pound and I freakout. When thiis does happen I can't think for speak correctly, I can't process words. there are more things but I just want to know what happening to me