Do not forget deep breathing exercises and soothing music. I use these tools to snap me out of these episodes when upset. Comedy too, if can find something funny, and laugh helps TONS. I know this sounds super dumb, but it IS my secret. Get yourself decaffinated earl grey tea, or sleepytime tea if no ragweed alleriges, I personally love these. For energy, celestial seasonings antioxidant green tea super tasty. Vitamins help me too. Airbourne Health Supplement has alot oF what i need, in a fizzy orange tab. taking these I feel better for some reason. 1-2 tabs a day might help. Here is link for breathing and meditation exercises:
http://www.meditationworkshop.org/meditation_exercises. I know all of this sounds super stuipid, but can sometimes can snap a persson out of this bad phase. If chest pain, breathing problems are serious, of course calling 911 or consulting a doctor a MUST. I will say mental exercises or distracting onesself GO a long way to help in many cases, (LC).