panicattacktreatmentnow.com

One of the biggest differences between regular panic attacks and severe panic attacks are that with a regular panic attack the patient is often able to control their breathing and focus and not completely lose it, whereas with severe panic attacks they are not.
A severe panic attack can be described as an episode of unreasoning [...]

Shortness of breath is probably the most common symptom of them all with anxiety & panic ; a few people also describe it as a smothering sensation, or feeling like they are suffocating, like there is no air around them.
Shortness of breath anxiety disorder is very often the first symptom that will trigger off a [...]