Panic Disorder is a mental health condition characterized by recurrent, unexpected panic attacks and persistent worry about having more attacks or their consequences. What is a panic attack? A panic attack is a sudden surge of intense fear or discomfort that typically peaks within minutes. Symptoms may include: Rapid heartbeat or palpitations Shortness of breath or feeling smothered Chest pain or discomfort Dizziness or lightheadedness Sweating Trembling or shaking Nausea Chills or hot flashes Tingling or numbness Feeling detached from reality (derealization) or from oneself (depersonalization) Fear of losing control, 'going crazy, ' or dying