(HealthDay News) — A panic attack is the sudden onset of intense fear or discomfort that reaches a peak within minutes, the Anxiety and Depression Association of America says.

The association says since symptoms of a panic attack are so intense, they may mimic those of heart disease, thyroid problems, breathing disorders and other illnesses.

The ADAA says having four of more of these symptoms indicates a panic attack:

• Palpitations, pounding heart or accelerated heart rate.
• Sweating.
• Trembling or shaking.
• Sensations of shortness of breath or smothering.
• Feelings of choking.
• Chest pain or discomfort.
• Nausea or abdominal distress.
• Feeling dizzy, unsteady, light-headed or faint.
• Chills or heat sensations.
• Numbness or tingling sensations.
• Fear of losing control or “going crazy.”
• Fear of dying.

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