It might help also to take a Calcium/Magnesium/Vitamin D supplement. If the calcium/magnesium balance is upset in your system, it can further the panic and palpitations. Our bodies are mostly minerals and cannot function without them. Vitamin D is also helps with depression. Just a thought. It has taken my anxiety/panic down a notch. Also, Doc might have some thoughts on this, but if you need a cervical adjustment, it might help.