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Panic attacks are sudden periods of intense fear and discomfort that may include palpitations, sweating, chest pain or chest discomfort, shortness of breath, trembling, dizziness, numbness, confusion, or a feeling of impending doom or of losing control. Typically, symptoms reach a peak within ten minutes of onset, and last for roughly 30 minutes, but the duration can vary from seconds to hours. Although they can be extremely frightening and distressing, panic attacks themselves are not physically dangerous.
The essential features of panic attacks remain unchanged, although the complicated DSM-IV terminology for describing different types of panic attacks is replaced with the terms unexpected and expected panic attacks. Panic attacks function as a marker and prognostic factor for severity of diagnosis, course, and comorbidity across an array of disorders, including but not limited to anxiety disorders. Hence, panic attacks can be listed as a specifier that is applicable to all DSM-5 disorders.
Panic attacks can occur due to several disorders including panic disorder, social anxiety disorder, post-traumatic stress disorder, substance use disorder, depression, and medical problems. They can either be triggered or occur unexpectedly. Smoking, caffeine, and psychological stress increase the risk of having a panic attack. Before diagnosis, conditions that produce similar symptoms should be ruled out, such as hyperthyroidism, hyperparathyroidism, heart disease, lung disease, drug use, and dysautonomia.
Treatment of panic attacks should be directed at the underlying cause. In those with frequent attacks, counseling or medications may be used. Breathing training and muscle relaxation techniques may also help. Those affected are at a higher risk of suicide.