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Repeated handwashing, checking and touching may be symptoms of OCD. Here is how obsessive thoughts and compulsive behaviours affect people.
Have you ever seen someone wash their hands repeatedly, check a door lock several times, arrange objects in a particular order or touch something again and again?
It can be easy to dismiss such behaviour as a habit, excessive cleanliness or simple overthinking. But for some people, repeated actions are not a matter of choice. They may be symptoms of Obsessive-Compulsive Disorder , a mental health condition that can cause distressing thoughts and repetitive behaviours. People with OCD may recognise that they do not need to perform a particular action repeatedly, yet still feel an overwhelming urge to do so.
Completing the action may provide temporary relief, but the anxiety or intrusive thought often returns, restarting the cycle. OCD is generally understood through two main components: obsessions and compulsions. Obsessions are recurring, unwanted and distressing thoughts, fears, mental images or urges. Compulsions are repetitive physical or mental acts a person feels driven to perform in response to those thoughts or feelings.
For example, someone may repeatedly worry that their hands are contaminated with germs. Even after washing them, they may feel so anxious that they wash them again. Similarly, a person may repeatedly fear that they have not locked the door properly, switched off the stove or completed an important task. They may return several times to check.
Others may feel a strong need to arrange objects in a particular order or repeat an action a specific number of times. People have different routines and habits. Someone may check a locked door once more before leaving home, prefer to keep objects organised or pay particular attention to cleanliness.
OCD becomes a concern when intrusive thoughts or repetitive behaviours become difficult to control, consume significant amounts of time, cause substantial distress or interfere with work, education, relationships or everyday activities. Some people also recognise that their behaviour is excessive or does not make logical sense, but still feel unable to stop. One of the most important aspects of OCD is the cycle between an intrusive thought, anxiety and a compulsive behaviour. An unwanted thought or fear appears.
It may produce anxiety, fear, disgust or an intense feeling of unease. The person then performs a particular action to reduce that discomfort. The action may bring temporary relief, but the relief does not last. This creates a cycle: Intrusive thought → anxiety or distress → compulsive behaviour → temporary relief → intrusive thought againOCD can take many forms.
Some people experience intense fears about germs, illness or contamination and repeatedly wash their hands or clean their surroundings. Others repeatedly check doors, gas appliances, electrical switches or other objects because they fear something has been left unsafe. Some people feel compelled to arrange objects in a particular order or direction and remain distressed until things feel “just right”. Compulsions do not always involve visible behaviour.
Some people carry out rituals entirely in their minds, such as repeatedly reviewing an event, mentally repeating a phrase, trying to cancel out an unwanted thought with another thought or repeatedly seeking reassurance from others. Some people experience a powerful feeling that an action has not been completed properly unless they perform it in a particular way or a specific number of times.
For example, a person may feel compelled to touch an object equally on both sides, repeat an action or rearrange something until it feels completely “right”. For some people, the problem is an uncomfortable internal sensation or a feeling of incompleteness that does not go away until they repeat the action. Mental health professionals sometimes describe this as a “just right” experience, in which a person feels compelled to continue an action until it feels physically or internally correct.
Some people experience intrusive thoughts about harming someone they love, doing something dangerous, committing an act that goes against their values or having unwanted religious or moral thoughts. Having an intrusive thought does not automatically mean that a person wants to act on it or will act on it. People with OCD may be frightened precisely because the thoughts conflict with their values and intentions.
Shame and fear of being judged can also prevent people from discussing such symptoms, potentially delaying diagnosis and treatment. For some people, OCD centres on religious or moral concerns. A person may repeatedly worry that they have committed a religious mistake, had an improper intention or performed a religious practice incorrectly. They may then repeatedly seek reassurance, repeat certain words or perform an act again in an attempt to feel certain that everything was done correctly.
This form of OCD is sometimes discussed as scrupulosity, a pattern involving excessive religious or moral doubts and compulsive behaviours. Understanding such symptoms as part of a mental health condition, rather than simply dismissing them as weak faith or bad intentions, can help people seek appropriate support. Research suggests that a combination of genetic factors, brain structure and function, environmental influences and life experiences may contribute to the condition.
Having a close family member with OCD can increase a person's likelihood of developing it, but it does not mean that someone will necessarily develop OCD because another family member has the disorder. Stress and difficult or traumatic life experiences may also contribute to the onset or worsening of symptoms in some people. Symptoms can sometimes remain relatively mild for a period and become more severe during times of significant stress.
One of the most difficult aspects of OCD can be the constant conflict between what a person knows and what they feel compelled to do. They may know that their hands are clean but experience an overwhelming urge to wash them again. They may recognise that repeatedly thinking about the same issue will not solve anything, yet still feel unable to stop. When a person tries to resist a compulsion, anxiety can temporarily become more intense.
Performing the behaviour then feels easier because it brings short-term relief. That temporary relief can reinforce the cycle and make the compulsion increasingly difficult to resist. OCD is treatable, and many people can significantly reduce their symptoms and improve their quality of life with appropriate treatment. Cognitive behavioural therapy is an important treatment approach.
A specialised form known as Exposure and Response Prevention is widely used for OCD. Under the guidance of a trained mental health professional, ERP gradually helps a person face situations that trigger obsessive thoughts or anxiety while learning not to perform the usual compulsive behaviour.
For example, someone who repeatedly washes their hands because of contamination fears may gradually work with a therapist on situations that trigger those fears. The goal is to learn that anxiety can be tolerated without automatically responding through a compulsion. ERP is generally best undertaken with appropriate professional guidance rather than being attempted suddenly or at an extreme level on one's own. Medication may also be part of treatment for some people.
Others may benefit from a combination of therapy and medication. The most appropriate approach depends on the person's symptoms, severity, other health or mental health conditions and overall circumstances. Telling someone with OCD to simply “stop doing it” is unlikely to solve the problem. Mocking the person, calling them overly suspicious or repeatedly providing reassurance may also be unhelpful.
In some cases, repeatedly seeking reassurance can itself become part of the OCD cycle. Instead, family members can take the person's distress seriously, avoid shaming them and encourage them to seek professional help when symptoms begin interfering with daily life. Supporting someone through treatment can also be more helpful than trying to force them to stop their compulsions.
Professional help may be appropriate when repetitive thoughts or behaviours:Affect relationships or family lifeOCD is not simply a preference for cleanliness or an unusual habit. It can be a genuine mental health condition that significantly affects a person's life — but it is also treatable. The most important point is that people experiencing intrusive thoughts and compulsive behaviours should not feel ashamed of seeking help.
With appropriate treatment and support, many people can learn to understand the OCD cycle, reduce compulsive behaviours and regain greater control over their daily lives.