Panic Disorder

Descriptive text is not available for this image BASICS

DESCRIPTION

  • A classic panic attack is characterized by rapid onset of a brief period of sympathetic nervous system hyperarousal accompanied by intense fear.
  • In panic disorder, multiple panic attacks occur (including at least two without a recognizable trigger). Patients experience at least 1 month of worried anticipation of additional attacks and/or maladaptive (e.g., avoidance) behaviors.

EPIDEMIOLOGY

Prevalence

  • Lifetime prevalence: 4.7 to 5.2%
  • Median age of onset 24 years

ETIOLOGY AND PATHOPHYSIOLOGY

A combination of vulnerability factors compounding with life stressors which exacerbate the symptoms. These factors including genetics, childhood hardships, and personality characteristics which include increased sensitivity to anxiety.

Genetics

There is a higher incidence of panic disorder among family members.

RISK FACTORS

  • Life stressors of any kind can precipitate attacks, including history of sexual or physical abuse.
  • Substance abuse, smoking, bipolar disorder, major depression, obsessive-compulsive disorder (OCD), and simple phobia
  • Family history of mental health disorders.

GENERAL PREVENTION

  • Healthy lifestyle, including healthy diet, regular exercise, and stress reduction techniques (such as mindfulness) are useful.
  • The USPTF recommends screening children and teens for anxiety and made a draft recommendation to screen adults aged ≤64 years.

COMMONLY ASSOCIATED CONDITIONS

  • Other psychiatric diagnoses: PTSD, social phobia, simple phobia, major depression, bipolar disorder, substance abuse, OCD, separation anxiety disorder
  • More common in patients with asthma, migraine headaches, hypertension, mitral valve prolapse, reflux esophagitis, interstitial cystitis, irritable bowel syndrome, fibromyalgia, nicotine dependence
  • Panic disorder increases the risk of suicide attempts and ideation.

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