I am 21, my usually low BP is now high (137/90) and of course I got a headache from it. It's splitting, very bad, hurts like hell. And I got some nausea as well, but thanks to my health anxiety, I am giving myself a panic attack because I am certain this is in fact not just a migraine but a brain aneurysm and I'm gonna die. Help please - how can I calm down the pain I am feeling only makes me feel more certain I am dying and the anxiety is making my symptoms ten times worse than they are!!