It is recurrent panic attacks in which people will have physical and psychological symptoms, and they will fear having another panic attack. Some people may believe they are having a heart attack.

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• Palpitations, pounding heart or rapid heart rate

• Sweating

• Trembling or shaking

• Feeling of shortness of breath or smothering sensations

• Chest pain

• Feeling dizzy, light-headed or faint

• Feeling of choking

• Numbness or tingling

• Chills or hot flashes

• Nausea or abdominal pains

• Feeling detached

• Fear of losing control

• Fear of dying