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Psych TopicsGeneral adult psychiatry — anxiety disorders

Psych · General adult psychiatry — anxiety disorders

Panic disorder and agoraphobia

Also known as Panic disorder · Agoraphobia · Panic attacks · Panic disorder with agoraphobia · PD · Panic neurosis · Situational panic

Exam-exhaustive fellowship reference on panic disorder and agoraphobia — DSM-5-TR and ICD-11 criteria; epidemiology; catastrophic misinterpretation and fear-circuit models; medical and psychiatric differentials; PDSS and GAD-7; CBT with interoceptive and in-vivo exposure; SSRI/SNRI dosing; short-term benzodiazepines only; stepped care (WFSBP/BAP/NICE); special populations. FRANZCP-primary, globally tagged.

high24 referencesUpdated 25 July 202616 min readVerification in progress

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FRANZCPMRCPsychABPNMD-DNBNEET-SS

Red flags

  • First or atypical late-onset panic-like episode with chest pain, hypoxia, focal neurology, fever, or haemodynamic instability — exclude ACS, PE, arrhythmia, anaphylaxis, thyrotoxicosis, and other medical emergencies before attributing to panic
  • Active suicidal ideation with depression comorbidity — full risk assessment, means restriction, and escalated care; do not treat as 'just anxiety'
  • Severe housebound agoraphobia with inability to access food, care, or safety — escalate supports and intensity of care
  • Chronic high-dose benzodiazepine dependence with failed self-tapers — planned withdrawal with CBT support, not abrupt cessation
  • New or worsening agitation/activation after starting an SSRI — reassess early, review dose escalation pace, and recheck suicide risk if mood is low
  • Substance intoxication or withdrawal (stimulants, cannabis, alcohol, benzodiazepines) presenting as panic — treat the substance pathway in parallel
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Practise this topic10 MCQs with explanations

Target exams

FRANZCPMRCPsychABPNMD-DNBNEET-SS

Red flags

  • First or atypical late-onset panic-like episode with chest pain, hypoxia, focal neurology, fever, or haemodynamic instability — exclude ACS, PE, arrhythmia, anaphylaxis, thyrotoxicosis, and other medical emergencies before attributing to panic
  • Active suicidal ideation with depression comorbidity — full risk assessment, means restriction, and escalated care; do not treat as 'just anxiety'
  • Severe housebound agoraphobia with inability to access food, care, or safety — escalate supports and intensity of care
  • Chronic high-dose benzodiazepine dependence with failed self-tapers — planned withdrawal with CBT support, not abrupt cessation
  • New or worsening agitation/activation after starting an SSRI — reassess early, review dose escalation pace, and recheck suicide risk if mood is low
  • Substance intoxication or withdrawal (stimulants, cannabis, alcohol, benzodiazepines) presenting as panic — treat the substance pathway in parallel
The one-line answer

Panic disorder is recurrent unexpected attacks plus a month of dread or behaviour change; agoraphobia is a freestanding fear that escape or help will not be available. Exclude the can't-miss medical mimics once, explain the vicious cycle, then treat with CBT containing interoceptive and situational exposure and/or an SSRI or SNRI started low — with benzodiazepines as a short bridge and never as the house.[3][16][17]

Meet the patient

A 31-year-old warehouse supervisor is in your ED for the fifth time in four months. Each attack starts the same way: a thump in the chest on the loading bay, then breathlessness, then the certainty he is dying.[1][19]

Troponins negative, ECG normal, D-dimer normal. Again. He now takes the long route to work to avoid the tunnel, has stopped driving his kids anywhere alone, and keeps a blister pack of diazepam in his shirt pocket. He has never taken one.[9][19]

That unopened blister pack is the whole topic in one object. The examiner's question is: what is it doing there, and what will happen when you take it away?[14][23]

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References24ShowHide
  1. [1]Kessler RC, Chiu WT, Jin R, Ruscio AM, et al. The epidemiology of panic attacks, panic disorder, and agoraphobia in the National Comorbidity Survey Replication Arch Gen Psychiatry, 2006.PMID 16585471
  2. [2]Kessler RC, Petukhova M, Sampson NA, et al. Twelve-month and lifetime prevalence and lifetime morbid risk of anxiety and mood disorders in the United States Int J Methods Psychiatr Res, 2012.PMID 22865617
  3. [3]Barlow DH, Gorman JM, Shear MK, Woods SW Cognitive-behavioral therapy, imipramine, or their combination for panic disorder: A randomized controlled trial JAMA, 2000.PMID 10815116
  4. [4]Clark DM, Salkovskis PM, Hackmann A, Middleton H, et al. A comparison of cognitive therapy, applied relaxation and imipramine in the treatment of panic disorder Br J Psychiatry, 1994.PMID 7952982
  5. [5]Bakker A, van Balkom AJ, Spinhoven P SSRIs vs. TCAs in the treatment of panic disorder: a meta-analysis Acta Psychiatr Scand, 2002.PMID 12197851
  6. [6]Bakker A, van Balkom AJ, Stein DJ Evidence-based pharmacotherapy of panic disorder Int J Neuropsychopharmacol, 2005.PMID 15804373
  7. [7]Pollack MH, Otto MW, Worthington JJ, Manfro GG, et al. Sertraline in the treatment of panic disorder: a flexible-dose multicenter trial Arch Gen Psychiatry, 1998.PMID 9819070
  8. [8]Rapaport MH, Wolkow R, Rubin A, Hackett E, et al. Sertraline treatment of panic disorder: results of a long-term study Acta Psychiatr Scand, 2001.PMID 11722304
  9. [9]Otto MW, Pollack MH, Sachs GS, Reiter SR, et al. Discontinuation of benzodiazepine treatment: efficacy of cognitive-behavioral therapy for patients with panic disorder Am J Psychiatry, 1993.PMID 8379551
  10. [10]Roy-Byrne PP, Craske MG, Stein MB, Sullivan G, et al. A randomized effectiveness trial of cognitive-behavioral therapy and medication for primary care panic disorder Arch Gen Psychiatry, 2005.PMID 15753242
  11. [11]Sánchez-Meca J, Rosa-Alcázar AI, Marín-Martínez F, Gómez-Conesa A Psychological treatment of panic disorder with or without agoraphobia: a meta-analysis Clin Psychol Rev, 2010.PMID 19775792
  12. [12]Pompoli A, Furukawa TA, Imai H, Tajika A, et al. Psychological therapies for panic disorder with or without agoraphobia in adults: a network meta-analysis Cochrane Database Syst Rev, 2016.PMID 27071857
  13. [13]Bighelli I, Castellazzi M, Cipriani A, Girlanda F, et al. Antidepressants versus placebo for panic disorder in adults Cochrane Database Syst Rev, 2018.PMID 29620793
  14. [14]Breilmann J, Girlanda F, Guaiana G, Barbui C, et al. Benzodiazepines versus placebo for panic disorder in adults Cochrane Database Syst Rev, 2019.PMID 30921478
  15. [15]Guaiana G, Meader N, Barbui C, Davies SJ, et al. Pharmacological treatments in panic disorder in adults: a network meta-analysis Cochrane Database Syst Rev, 2023.PMID 38014714
  16. [16]Bandelow B, Michaelis S, Wedekind D Treatment of anxiety disorders Dialogues Clin Neurosci, 2017.PMID 28867934
  17. [17]Bandelow B, Allgulander C, Baldwin DS, Costa DLDC, et al. World Federation of Societies of Biological Psychiatry (WFSBP) guidelines for treatment of anxiety, obsessive-compulsive and posttraumatic stress disorders - Version 3 World J Biol Psychiatry, 2023.PMID 35900161
  18. [18]Baldwin DS, Anderson IM, Nutt DJ, Allgulander C, et al. Evidence-based pharmacological treatment of anxiety disorders, post-traumatic stress disorder and obsessive-compulsive disorder: a revision of the 2005 guidelines from the British Association for Psychopharmacology J Psychopharmacol, 2014.PMID 24713617
  19. [19]Craske MG, Stein MB Anxiety Lancet, 2016.PMID 27349358
  20. [20]Bruce SE, Yonkers KA, Otto MW, Eisen JL, et al. Influence of psychiatric comorbidity on recovery and recurrence in generalized anxiety disorder, social phobia, and panic disorder: a 12-year prospective study Am J Psychiatry, 2005.PMID 15930067
  21. [21]Spitzer RL, Kroenke K, Williams JB, Löwe B A brief measure for assessing generalized anxiety disorder: the GAD-7 Arch Intern Med, 2006.PMID 16717171
  22. [22]Shear MK, Brown TA, Barlow DH, Money R, et al. Multicenter collaborative panic disorder severity scale Am J Psychiatry, 1997.PMID 9356566
  23. [23]Craske MG, Treanor M, Conway CC, Zbozinek T, et al. Maximizing exposure therapy: an inhibitory learning approach Behav Res Ther, 2014.PMID 24864005
  24. [24]Roest AM, de Vries YA, Lim CCW, Wittchen HU, et al. A comparison of DSM-5 and DSM-IV agoraphobia in the World Mental Health Surveys Depress Anxiety, 2019.PMID 30726581

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