Probably the most common symptom of them all with anxiety & panic is shortness of breath; some also describe it as a smothering sensation, or feeling like they are suffocating, like there is no air around them.

This is often the first symptom that will trigger off a panic attack. As soon as the sufferer feels they cannot breathe then the heart begins to race 50 to the dozen, then you begin to feel dizzy like your going to pass out and that