Not someone, but myself, unfortunately. The last flight I was on was my first time leaving town without my kids. The anxiety I got from leaving them and being a day's worth of traveling away made me feel physically sick. I knew we'd miss them and I knew it would be hard, but I'd generally been strong about it and despite that aspect, very excited. Once we got as far as boarding the plane, I was nauseous from anxiety.
Beta blockers can alleviate the physical symptoms of anxiety, making them a viable short-term option for those experiencing performance-related fears, but they should only be used under medical supervision.