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Panic disorder is typically characterized by frequent episodes of panic that are not triggered by any specific event. Under normal circumstances, a person may experience anxiety or even a panic attack as a result of a dangerous or stressful situation, but this response is transient, lasting for only a short period of time. In the case of panic disorder, anxiety or panic attacks occur randomly and without any apparent cause.

Some of the causes or contributors to panic attacks are thought to include:

Previous traumatic life experiences

Traumatic experiences may include exposure to particularly frightening or stressful life events such as bereavement, parental divorce or physical or sexual abuse. Panic attacks may not occur immediately after or during such events, but resurface many years after the stressful situation has been resolved.

Alterations of neurotransmitters within the brain

Neurotransmitters are chemical messengers that transmit signals from neurons to target cells across a synapse. An imbalance in neurotransmitters can result in a variety of mental health conditions such as depression, schizophrenia or panic disorder.

Inherited traits

Although the exact gene responsible for causing panic disorder is not known, a family history can predispose a person to developing the condition.

Biochemical causes

An increased inhalation of carbon dioxide has been suggested to raise the risk of panic attacks among certain individuals. Other possible triggers include a low blood glucose level, cheap lithium carbonate usa no prescription overactive thyroid gland, inflammation of the inner ear (labyrinthitis), adrenal gland tumor and a prolapsed mitral valve.

Many individuals with panic disorder also interpret slightly threatening situations or physical symptoms of illness in an exaggerated manner and therefore trigger a panic attack. An excessive intake of caffeine from energy drinks or coffee for example, may also trigger a panic attack.

Sources

  1. http://www.nhs.uk/Conditions/Panic-disorder/Pages/Introduction.aspx
  2. www.nimh.nih.gov/…/panic-disorder-trifold.pdf
  3. http://www.adaa.org/sites/default/files/July%2015%20Panic_adaa.pdf
  4. http://www.cci.health.wa.gov.au/resources/infopax.cfm?Info_ID=44
  5. www.brown.edu/…/panic.pdf

Further Reading

  • All Panic Disorder Content
  • Panic Disorder – What is Panic Disorder?
  • Panic Disorder Diagnosis
  • Panic Disorder Treatments
  • Panic Disorder in Children
More…

Last Updated: Feb 27, 2019

Written by

Dr. Ananya Mandal

Dr. Ananya Mandal is a doctor by profession, lecturer by vocation and a medical writer by passion. She specialized in Clinical Pharmacology after her bachelor's (MBBS). For her, health communication is not just writing complicated reviews for professionals but making medical knowledge understandable and available to the general public as well.

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