Conditions

Obsessive-compulsive disorder

Understand intrusive experiences, rituals, insight and functional burden.

Explore the cycle

Obsessions are recurrent intrusive thoughts, images or urges experienced as unwanted. Compulsions are repetitive actions or mental rituals that a person feels driven to perform. Explore the relationship between the intrusive experience, distress and the response used to reduce it.

Compulsions may be visible, such as repeated checking, or internal, such as mental repetition. Ask about both. The content of an intrusive thought should not be assumed to express the person’s wishes or intentions; its meaning requires careful clinical exploration.

Assess the burden and the beliefs

Record the time occupied, disruption to routines, avoidance and effect on work or relationships. Establish what the person fears will happen without the ritual and whether they can consider another explanation. Insight varies and may change with distress.

A habit or preference for order is not equivalent to a disorder. Classification considers the pattern and its clinical significance, as well as alternative explanations. Poor insight should be described, not used as an automatic reason to substitute a psychotic diagnosis.

Make the description concrete

A teaching account can identify the trigger, intrusive experience, emotional response, ritual and consequences. Distinguish a mental ritual from ordinary reflection and clarify whether repetition is driven by fear, rigid rules or a need for completeness.

Use original synthetic examples in learning. A clinician evaluates risk-related content and treatment needs in the whole assessment; this article neither declares an intrusive thought harmless nor determines a treatment plan.

For your next supervision discussion

Trace a trigger, an intrusive experience and a ritual in a synthetic account. What information establishes burden and insight, and what would remain unknown after merely recording the ritual?

References · 2

Page numbers distinguish PDF position from the numbering visible within the supplied document.

  1. Clinical descriptions and diagnostic requirements for ICD-11 mental, behavioural and neurodevelopmental disordersWorld Health Organization · 2024.Obsessive-compulsive disorder: features and insight. PDF pages 318, 319; printed pages: 300–301.Supports: Obsessions, mental and overt compulsions, burden and varying insight.
  2. Fish’s Clinical Psychopathology: Signs and Symptoms in PsychiatryPatricia Casey and Brendan Kelly · 5th edition, 2024.Obsessions and compulsions. PDF pages 55; printed pages: 46.Supports: Unwanted experiences and their descriptive distinction.

Sources by section

  • Explore the cycle: [1][2]
  • Assess the burden and the beliefs: [1]
  • Make the description concrete: [1][2]
  • For your next supervision discussion: [1]
Reference information · Cited introduction
Last content update
2026-10-26
Clinical review
Not independently reviewed
Source jurisdiction
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Cited introduction
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