im so sorry u have to go thru this. i never have a panic attax where i feel like im gonna black out but ive had them where i feel like im goin crazy & it doesnt go away & its just ongoing for days. this is always complicated by insomnia of course & in turn that just makes it even worse. i am having such bad anxiety right now i havent gone out of these house for almost a month except in my yard & forcing myself to walk to the store when i absolutely want something. the only thing that helps are the benzos which my doc took me off of cuz i abused them. i have to get them from other places & thats just been here & there. i feel 4 u & i do know what its like to have such heightened anxiety ive had a seizure. i dont remember it but my husband & motherinlaw were standing over me telling me what happened. what meds are u on? i know its been torture for me ever since my doc took me off my klonopin. it was my fault for abusing them but still its been torture. i hope u feel better & ill pray 4 u.