Panic attacks are intense periods of fear or feelings of doom developing over a very short time frame -- up to 10 minutes -- and associated with at least four of the following:
- Sudden overwhelming fear
- Palpitations
- Sweating
- Trembling
- Shortness of breath
- Sense of choking
- Chest pain
- Nausea
- Dizziness
- A feeling of being detached from the world (de-realization)
- Fear of dying
- Numbness or tingling in the limbs or entire body
- Chills or hot flushes