What it is
Compulsions are repetitive urge-driven behaviours most commonly associated with OCD.
A persistent urge to perform a behaviour or mental act, often to reduce anxiety or prevent a feared outcome. Compulsions are frequently associated with OCD but can arise across a range of psychological and behavioural conditions.

At a glance
What it is
Compulsions are repetitive urge-driven behaviours most commonly associated with OCD.
Commonly experienced as
Evidence context
Research-supportedSee the evidence snapshotSafety
See staying safeHistory & Origin
Compulsions are behaviours or mental acts performed in response to an obsession or anxiety-provoking thought, typically to reduce distress or prevent a feared outcome. In obsessive-compulsive disorder (OCD), compulsions are closely linked to obsessions — intrusive, distressing thoughts — and are performed repeatedly despite providing only temporary relief. Common compulsions include checking, cleaning, counting, ordering, seeking reassurance, and mental reviewing. The critical clinical insight is that compulsions maintain OCD by providing short-term relief that reinforces the obsession-compulsion cycle, rather than resolving the underlying anxiety. Breaking compulsive cycles requires tolerating the discomfort of not performing the compulsion (ERP — exposure and response prevention).
The Evidence
What research and clinical practice tell us about compulsive behaviours, how they are understood, and when to seek professional support.
Compulsions are well-studied and respond to structured psychological care
Compulsions are a core feature of OCD and related conditions, affecting a significant minority of people globally. Evidence strongly supports Exposure and Response Prevention (ERP) as the primary psychological approach, with SSRIs as an evidence-based pharmacological option.
Seek professional support promptly if compulsions are causing physical self-harm or tissue damage, if they arise alongside psychotic symptoms, or if they are associated with suicidal thoughts. Sudden onset of compulsive behaviour in an older adult should be assessed for neurological causes. These situations go beyond self-guided approaches.
Exposure and Response Prevention (ERP) is the most robustly supported psychological intervention for OCD-related compulsions. SSRIs are evidence-based as a pharmacological adjunct. Mindfulness-based approaches and Acceptance and Commitment Therapy (ACT) show promise as complements to first-line care, though evidence for these is still developing.
Performing a compulsion temporarily reduces distress, which reinforces the behaviour and strengthens the obsession-compulsion cycle over time. Breaking this cycle involves tolerating discomfort without performing the compulsion — the core principle of ERP. This is why self-guided reduction of compulsions can be difficult and is best supported by a trained professional.
Repeatedly accommodating or reassuring someone performing compulsions can reinforce the cycle rather than reduce it. Attempting ERP without professional guidance is not recommended for moderate to severe OCD presentations, as poorly structured exposure can increase distress. Complementary approaches should support — not replace — evidence-based care.
ERP delivered by a trained therapist is the recommended starting point for OCD-related compulsions. Medication options such as SSRIs are sometimes used alongside psychological support — a prescribing clinician can advise on suitability. Mindfulness and ACT-based approaches may support distress tolerance as adjuncts. Complementary and holistic practices may help with general wellbeing but are not a substitute for professional assessment and structured psychological support.
Traditional Chinese Medicine may interpret compulsive patterns as Heart Shen disturbance or Kidney deficiency affecting mental stability. Ayurveda may associate them with Vata-Pitta imbalance. These are cultural and philosophical frameworks, not clinical assessments. Grounding and calming practices from these traditions may support general mental steadiness as a complement to evidence-based care.
Safety first
General, informational guidance — not diagnostic. A qualified practitioner can advise on your own situation.
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