Panic Disorder

Definition

A panic attack is a sudden, intense experience of fear coupled with an overwhelming feeling of danger, accompanied by physical symptoms of anxiety, such as a pounding heart, sweating, and rapid breathing. A person with panic disorder may experience repeated panic attacks (at least several a month) and feel severe anxiety about having another attack.

Description

Each year, panic disorder affects one in every 63 Americans. While many people experience moments of anxiety, panic attacks are sudden and unprovoked, having little to do with real danger.

Panic disorder is a chronic, debilitating condition that can have a devastating impact on a person's family, work, and social life. Typically, the first attack strikes without warning. A person might be walking down the street, driving a car, or riding an escalator when suddenly panic strikes. Pounding heart, sweating palms, and an overwhelming feeling of impending doom are common features. While the attack may last only seconds or minutes, the experience can be profoundly disturbing. A person who has had one panic attack typically worries that another one may occur at any time.

As the fear of future panic attacks deepens, the person begins to avoid situations in which panic occurred in the past. In severe cases of panic disorder, the victim refuses to leave the house for fear of having a panic attack. This fear of being in exposed places is often called agoraphobia.

People with untreated panic disorder may have problems getting to work or staying on the job. As the person's world narrows, untreated panic disorder can lead to depression, substance abuse, and in rare instances, suicide.

Causes & symptoms

Scientists aren't sure what causes panic disorder, but they know that a tendency to develop the condition can

be inherited. In 2001, a team of geneticists pinpointed an abnormal duplication (known as DUP25) of a segment of human chromosome 15q as implicated in panic disorder. In addition to genetic factors, some experts think that people with panic disorder may have a hypersensitive nervous system that unnecessarily responds to nonexistent threats. Research suggests that people with panic disorder may not be able to make proper use of their body's normal stress-reducing chemicals. And in some cases, panic disorder develops as a drug intolerance reaction to medications given to reduce high blood pressure.

People with panic disorder usually have their first panic attack in their 20s. Four or more of the following symptoms during panic attacks would indicate panic disorder if no medical, drug-related, neurologic, or other psychiatric disorder is found:

  • pounding, skipping, or palpitating heartbeat
  • shortness of breath or the sensation of smothering
  • dizziness or lightheadedness
  • nausea or stomach problems
  • chest pains or pressure
  • choking sensation or a "lump in the throat"
  • chills or hot flashes
  • sweating
  • fear of dying
  • feelings of unreality or being detached
  • tingling or numbness
  • shaking and trembling
  • fear of losing control

A panic attack is often accompanied by the urge to escape, together with a feeling of impending doom. Others are convinced they are about to have a heart attack, suffocate, lose control, or "go crazy." Once people experience one panic attack, they tend to worry so much about having another attack that they avoid the place or situation associated with the original episode.

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