I'm having a huge panic attack for the last 1 hour, I'm shaking,shivering, I'm dizzy, and restlessness I can't sit or lie on the bed.I feel my muscles like jelly.I have terrible headache.I feel like I'm gonna faint...My legs and arms are freezing cold.I took diazepam 5mg 30 min ago and it is still not working.....I'm trying to breathe and count , not working....