Obsessive-Compulsive Disorder: What It Really Is
This article is general information published by the practice of Dr. Sholeh Toobaei, Specialist Psychiatrist, Dubai. It has not yet been individually reviewed by a clinician and is not a substitute for personal medical advice. Published: 1 September 2026.
Scope: This article is general information about obsessive-compulsive disorder. It is not a diagnosis. Only a proper clinical assessment can tell whether your experiences match OCD.
What is OCD, and how is it different from liking things tidy?
OCD stands for obsessive-compulsive disorder. It has two parts, and most people only notice the compulsive part from the outside. The obsessive part — the intrusive, unwanted thoughts — usually happens inside the person's head, where other people cannot see it.
An obsession is an unwanted thought, image, or urge that keeps coming back and causes genuine distress. It is not something the person wants to think about. It is something they cannot stop thinking about, even though they know the thought is excessive or unreasonable. Common obsessions involve contamination (fear of germs, dirt, chemicals), harm (fear of hurting someone, fear of accidentally setting a fire), symmetry (a need for things to feel "just right"), and forbidden or taboo thoughts (often of a sexual or religious nature that are completely contrary to the person's values).
A compulsion is a behaviour or mental act that the person feels driven to perform in response to the obsession. The compulsion is aimed at reducing the distress or preventing a feared event. Common compulsions include washing and cleaning, checking (locks, appliances, that you did not hurt someone), counting, repeating actions a certain number of times, arranging and ordering, and mental rituals like praying or repeating words in your head.
The difference between OCD and simply liking things tidy is the cost. Liking tidiness does not cause genuine distress if things are messy. OCD does. A person who likes order feels mildly annoyed by a cluttered room. A person with contamination OCD may be unable to enter a room or touch a doorknob because the obsessive fear is so intense that the compulsive washing or avoidance is the only way to cope.
What does the OCD cycle look like?
It follows a predictable loop:
Trigger — something happens, or a thought arises. Obsession — an unwanted thought, image, or urge that causes anxiety. Distress — the person feels genuine anxiety, disgust, or guilt. The thought feels dangerous or unacceptable, which is exactly why it is distressing. Compulsion — the person performs a behaviour or mental act to reduce the distress. Temporary relief — the anxiety goes down, usually for a short time. Repeat — the brain learns that the compulsion was necessary to deal with the obsession, so the next time the obsession comes back, the compulsion happens again. The cycle tightens.
This is why OCD is so hard to break on willpower alone. The compulsion works — in the short term. It reduces the anxiety. That reinforcement makes the brain want to do it again next time. Over years, the cycle can become deeply automatic. The person knows the thought is irrational and still cannot resist the urge.
What are the common themes of OCD?
Contamination: fear of germs, dirt, bodily fluids, chemicals, or invisible pollutants. Often leads to excessive handwashing, avoiding public spaces, or decontaminating objects.
Harm: fear of causing harm to oneself or others, often by accident. May involve checking that doors are locked, the stove is off, or that you did not hit someone with your car. Some people have violent images that horrify them — stabbing someone they love, jumping in front of a train. These images are not desires. They are obsessions. The fact that they horrify the person is proof they are ego-dystonic — opposite to who they are.
Symmetry and "just right": a feeling that things must be arranged or done in a specific way, and that something will be wrong or incomplete if they are not. This is not the same as preferring order. The person feels an intense, uncomfortable sensation that must be resolved.
Religious (scrupulosity) and moral obsessions: intrusive thoughts about having offended God, being a bad person, or violating religious principles. May lead to excessive praying, confessing, or mentally reviewing past actions.
Sexual obsessions: unwanted sexual images or urges that are contrary to the person's values or orientation. These are particularly distressing because the person may feel shame about having them, which makes them more anxious, which makes them more likely to have the thought again.
Doubt and checking: an inability to trust that they turned off the stove, locked the door, sent the right email, or told the truth. The doubt feels real even though the person knows, intellectually, that they probably did the right thing.
How does OCD develop?
Nobody knows for sure, but genetics, brain circuitry, and learning all play a role. OCD runs in families. Brain scans show that people with OCD have different patterns of activity in certain circuits — the part of the brain that signals "something might be wrong" is overactive, and the part that says "actually, it's probably fine" cannot override it.
Stress and life events can trigger the onset or make it worse. Infection and immune responses have been linked to sudden onset in children, a condition called PANDAS. Trauma can also be a trigger. But the most important thing to know is that OCD is not caused by weak willpower or bad character. It is a biological condition with behavioural manifestations.
What treatment works?
The gold-standard therapy for OCD is a specific form of CBT called Exposure and Response Prevention (ERP). In ERP, the person is gradually exposed to the things that trigger their obsessions — touching a doorknob, for example, for someone with contamination OCD — and practices not doing the compulsion — not washing their hands afterwards. At first, the anxiety feels unbearable. Over repeated sessions, the anxiety decreases naturally. The brain learns that the feared outcome does not happen, and that the discomfort is tolerable even without the compulsion.
ERP is challenging. It is one of the hardest forms of therapy because it asks the person to sit with anxiety that feels genuinely dangerous. But the evidence is strong. For many people, ERP produces dramatic improvement.
Medication can help, particularly SSRIs at higher doses than are used for depression. They take longer to work for OCD than for depression — often eight to twelve weeks — and they are usually combined with ERP for the best results.
If standard treatments do not help, there are other options, including deeper brain stimulation treatments, which a specialist psychiatrist can discuss.
What should family members do?
This is important. Family members often unintentionally feed the OCD by participating in rituals — agreeing not to leave dirty dishes out, answering reassurance questions repeatedly, or walking on eggshells to avoid triggering the person. The well-meaning response is to help. The effective response is to stop helping with the OCD.
This is counterintuitive and often emotional. But the best support a family member can offer is compassionate encouragement to face the fear without performing the compulsion. A simple "I know this is hard and I'm here with you, but I'm not going to help with that" is far more helpful in the long run than going along with the ritual.
Family therapy and psychoeducation are important parts of treatment for many people with OCD.
When should I seek help?
If you recognise yourself in this description and the obsessions or compulsions are taking more than an hour a day, causing distress, or interfering with your life, seek a professional assessment. OCD is one of the most treatable conditions in psychiatry, but it does not improve with waiting. The longer it goes untreated, the more entrenched the cycle becomes. Seek urgent help — call 999 (police) or 998 (ambulance) in the UAE, or go to the nearest emergency department — if you are having thoughts of self-harm or if the distress from OCD has become overwhelming. For non-urgent enquiries, use the appointment request form on this website. This practice does not operate a monitored telephone line, and a message sent through the form may not be read straight away.