About OCD

What is OCD?

In OCD, intrusive thoughts, doubt or inner distress can become difficult to leave unanswered. Checking, analysis, avoidance and other strategies may bring short-term relief or certainty, but they can also maintain the pattern.

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What is OCD – in brief

OCD stands for obsessive-compulsive disorder.

In OCD, intrusive thoughts, images, impulses or doubts take on a significance that makes them difficult to leave alone. The person may begin checking, analysing, seeking reassurance or avoiding whatever triggers the distress.

These strategies may bring or a sense of certainty in the moment. Each time they are repeated, however, the thought or situation is also marked as something that requires a response. The doubt therefore often returns, and the OCD pattern becomes stronger.

OCD can be understood as a cycle

The cycle shows how OCD can be maintained when short-term relief makes the need for control stronger the next time.

Choose a point in the cycle to see the explanation in the centre.

Core pattern

Short-term relief can teach the brain that doubt requires more control.

Choose a stage for a short explanation.

Stage1

Intrusive thought or doubt

OCD often begins with a thought, impulse, sensation or doubt that feels important to resolve.

Stage2

Anxiety, distress, guilt, shame or a sense of responsibility

The distress may feel like anxiety, guilt, shame, disgust, responsibility or a strong sense that something is wrong.

Stage3

Action, analysis, checking or avoidance

The person tries to obtain relief through actions, mental rituals, analysis, checking, reassurance seeking or avoidance.

Stage4

Short-term relief

The compulsion may bring relief in the moment, but the effect is usually short-lived.

Stage5

New doubt and a renewed need for control

As the short-term relief fades, doubt returns and the urge to do something may become stronger.

OCD involves a pattern – not just the content of a thought

Everyone can have strange, upsetting or unwanted thoughts. In OCD, the response to the thought becomes part of the problem: the doubt feels important to resolve, and it becomes increasingly difficult to leave it unanswered.

Three elements often recur in the pattern:

Obsessions

Intrusive thoughts, images, impulses or doubts take on significance and feel important to resolve.

Compulsions

Actions, analysis and other mental strategies are used to obtain relief, certainty or control.

Avoidance

Situations, people, places or information are avoided because they may trigger OCD.

Distress can take many forms

OCD is closely associated with anxiety, but the distress does not always feel like fear. It may also be experienced as doubt, guilt, shame, disgust, a sense of responsibility or a strong feeling that something is wrong.

Checking, analysis, reassurance seeking, avoidance and mental rituals can bring short-term relief. Repeating them may also teach the anxiety system that the thought or situation requires action. This makes it harder to leave the doubt unanswered the next time.

When OCD attaches to something important

OCD can feel convincing because it often attaches itself to something the person genuinely values: taking responsibility, protecting others or acting in accordance with their morals.

OCD may therefore sound like a relevant warning: “What if there is a risk – or you have done something wrong?”

OCD does not settle for what is likely or reasonably certain. It often demands a form of absolute certainty that cannot be achieved. The more someone tries to reach a final answer through proof, checking or analysis, the more space OCD takes up.

Visible and mental strategies

Obsessions are not wanted, and compulsions are not always visible. A compulsion may also take the form of analysis, rumination, checking feelings, mentally reviewing events or trying to reassure oneself.

How visible these strategies are does not show how much space OCD takes up. Mental rituals can be just as demanding as washing, checking and other actions that people around the person can see.

Visible OCD behaviours

Can often be seen by others

  • Checking doors, the cooker, electricity or taps
  • Handwashing, cleaning or using barriers
  • Repetitions, rituals or specific sequences
  • Questions and reassurance seeking from others
  • Avoiding places, people or situations
  • Deleting, rewriting or repeatedly checking messages

When ordinary checking becomes OCD

Checking whether the front door is locked may take a few seconds. In OCD, it can become a longer process involving doubt, repetition and mental review. The number of checks does not always show how burdensome the situation is; much of the work may take place mentally.

OCD is clinically significant when the thoughts and the responses to them cause substantial distress or disruption. This may involve time spent on OCD, anxiety, shame, avoidance, conflict, reduced quality of life or considerable mental pressure that others cannot see.

OCD is not a personality type

In everyday speech, OCD is sometimes used to describe someone who is very tidy, perfectionistic or fond of structure. OCD is a mental health disorder, not a personality type or another word for perfectionism.

A person can be thorough, structured or perfectionistic without having OCD. With OCD, the pattern becomes distressing, restrictive and difficult to resist.

OCD can be hidden and change form

When shame keeps thoughts hidden

Many people with OCD live with their thoughts alone for a long time. This is often due to shame and fear of how others will react if they disclose what their OCD is about.

Some fear that the thoughts reveal something true about them. Others fear that disclosing the thoughts will be treated as evidence that the thoughts themselves are dangerous or significant.

The content of a thought is not the same as the person’s values or wishes. Understanding OCD therefore also involves looking at what happens around the thought: the doubt, the distress and the attempts to obtain certainty through control, reassurance seeking, analysis or avoidance.

When the theme changes

The same person may find that OCD shifts, for example, from contamination to morality, relationships or past events. A new theme can make OCD feel like a new problem even though the underlying pattern is the same. A subtype label can provide an overview, but it does not have to fit perfectly for the pattern to be recognised.

When OCD begins to control everyday life

It is worth seeking help when OCD begins to control choices, take up a great deal of time, cause shame, affect relationships or restrict everyday life.

When seeking help, describing the distress and the pattern of intrusive thoughts, control, avoidance and compulsive strategies is more important than finding the exact subtype label.

Treatment addresses the whole pattern

Treatment addresses not only the content of thoughts, but also the interaction between doubt, the meaning given to the thought, compulsions and avoidance.

A central part of OCD treatment is exposure and response prevention, or ERP. This involves gradually facing what triggers OCD without responding to its demands through checking, analysis, reassurance seeking or avoidance.

At OCD Klinikken, ERP forms part of an integrated approach that includes metacognitive and cognitive perspectives. We work with how people relate to thoughts, doubt and distress, and with reducing rumination and mental compulsions.

Treatment is not about proving once and for all that a thought is untrue or harmless. It aims to give people greater freedom to act without first meeting OCD’s demands for certainty.

Continue reading

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Symptoms of OCD

Learn about common signs, OCD thoughts, OCD behaviours, avoidance and hidden OCD.

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Types of OCD

Explore specific OCD themes and recognise patterns that recur across them.

You can also go directly to the OCD test, OCD guide for children, guide for relatives or OCD brochure.