If you suffer from...

* Palpitations

* a pounding heart, or an accelerated heart rate

* Sweating

* Trembling or shaking

* Shortness of breath

* A choking sensation

* Chest pain or discomfort

* Nausea or stomach cramps

* Derealization (a feeling of unreality)

* Fear of losing control or going crazy

* Fear of dying Numbness or a tingling sensation

* Chills or hot flashes

...then you've experienced firsthand some of the possible symptoms of a panic or anxiety attack. If you are reading this page because a loved one suffers from these symptoms and you are trying to understand or help, it's hard to appreciate what they go through.

Just try to imagine what it feels like to experience one, if you can.

Here is a typical example:

Standing in a supermarket queue, it