OCD.

Not tidiness. Not liking things straight. Obsessive Compulsive Disorder (OCD) is a thought you did not choose, arriving with the force of an emergency. Then comes something you feel you have to do to make it stop. It is frequently misunderstood, frequently hidden for years, and it responds to a specific treatment that works. In person in Prahran, Melbourne, and online anywhere in Australia.

tl;dr

At a glance.

Who it is for: Adults with intrusive thoughts and compulsions, diagnosed or not, including the kinds nobody talks about
What we offer: Exposure and Response Prevention, the treatment with the strongest evidence base for OCD, delivered at a pace you set
Also: ACT and inference-based approaches where ERP alone is not the right fit, and trauma-informed work where the two overlap
Referral: You can contact us to start the process. You need a GP referral before your first appointment, like every client. A Mental Health Treatment Plan is a separate thing again, and it is what brings the Medicare rebate
The hidden themes: Harm, sexual and religious obsessions are common, distressing and rarely disclosed. You can say them here
If it is urgent: We are not a crisis service and we do not answer after hours. Our crisis support page lists the lines that answer around the clock
Telehealth: Everything on this page can be done by video

What it looks like

What OCD can look like in adults.

The public version of OCD is a tidy person aligning pens. The actual condition is closer to being held hostage by your own mind.

An obsession is an unwanted thought, image or urge that arrives uninvited and carries enormous distress. A compulsion is what you do to neutralise it: washing, checking, counting, repeating, confessing, mentally reviewing, seeking reassurance. The compulsion works. That is the trap. Relief arrives, which teaches the brain that the compulsion is what averted disaster, so next time the obsession arrives louder and the compulsion is required again.

The content is often the opposite of who the person is. People with violent intrusive thoughts are not violent; people tormented by sexual intrusions are not a danger; people with religious obsessions are frequently the most devout. OCD reliably attaches itself to whatever you care most about not being. That is precisely why it is so frightening and so rarely disclosed.

The average delay between symptoms starting and getting the right treatment is measured in years, largely because of that shame. People will describe the washing and not the thought behind it, or say nothing at all because they are afraid of what a clinician might do with it. We would rather you knew now: intrusive thoughts are not intentions, and disclosing them here does not trigger anything automatic.

A great deal of OCD is also entirely internal. No visible rituals, no hand washing, just hours a day of mental reviewing, arguing, and checking how you feel. It is exhausting, invisible, and just as treatable.

Does any of this sound like you?

The everyday version.

These are the things people describe to us, in their words rather than the manual's. Themes vary enormously; the mechanism underneath is always the same.

Contamination

Not really about germs

Sometimes it is dirt. Often it is a feeling of being contaminated by a place, a person, or a thought, which no amount of washing resolves.

The long routine

A sequence that has to be done correctly, and started again if it is not.

Things that cannot be touched

Objects, rooms or people quietly designated as unsafe, and a life rearranged around avoiding them.

Checking

Going back again

The door, the stove, the handbrake. You know you checked. Knowing does not produce the feeling of knowing.

Re-reading and re-sending

Emails read six times for a mistake that would ruin something.

Did I hit someone

Retracing a drive to check for something that did not happen. Common, terrifying, and rarely admitted.

Harm

Thoughts about hurting people

Often the people you love most. Horrifying, involuntary, and the opposite of intent. This is one of the most common themes there is.

Avoiding the means

Putting knives away, not holding the baby, not standing near the platform edge. The avoidance confirms the danger and grows it.

Checking whether you meant it

Endless internal review of what you felt at the moment the thought arrived, looking for evidence about your own character.

The taboo themes

Sexual intrusions

Unwanted sexual thoughts, including ones that horrify you and contradict everything about you. Extremely common in OCD and almost never disclosed.

Religious and moral scrupulosity

Fear of having sinned, blasphemed or done something unforgivable, with confessing or praying as the compulsion.

Identity doubt

Relentless questioning of your sexuality, your gender, whether you love your partner, or whether you are fundamentally a bad person.

Order and symmetry

Until it feels right

Not aesthetics. A physical sense of wrongness that only a specific arrangement or repetition resolves.

Counting and repeating

Numbers that must be reached, actions redone a set number of times.

Evening it up

Touching one side because you touched the other.

Mental compulsions

Arguing with yourself

Hours of internal debate trying to settle a question that cannot be settled.

Reviewing the tape

Going back over a conversation or an event for evidence of what you did or felt.

Reassurance

Asking a partner, a doctor or a search engine. Relief for minutes, and the loop gets stronger each time.

The criteria

What the diagnosis actually requires, in plain language.

The DSM-5-TR places OCD in its own chapter, no longer grouped with the anxiety disorders, because the mechanism is distinct. The criteria are narrower than most people expect.

Obsessions, compulsions, or both

Obsessions are recurrent, persistent thoughts, urges or images that are experienced as intrusive and unwanted, cause marked distress, and that you try to ignore, suppress, or neutralise with some other thought or action.

Compulsions are repetitive behaviours or mental acts you feel driven to perform in response to an obsession or according to rigid rules. They aim to prevent or reduce distress or some dreaded event, but they are either not realistically connected to what they are meant to prevent, or are clearly excessive. Mental acts count. Counting, praying, reviewing and silently repeating are compulsions, even though nobody can see them.

Time, distress and cost

They take more than an hour a day, or cause significant distress or impairment. In practice most people we see are well past an hour.

Not better explained by something else

Not the effect of a substance or medical condition, and not better accounted for by another condition: generalised anxiety, body dysmorphic disorder, hoarding disorder, an eating disorder, or autistic routines, which are a different thing serving a different purpose.

The insight specifier

The manual notes how much you believe the obsessional fears: good or fair insight, poor insight, or absent insight. Insight does not track severity. Knowing a fear is irrational gives surprisingly little protection from it. That gap is one of the most demoralising parts of OCD.

What is in the same family

The chapter also includes body dysmorphic disorder, hoarding disorder, trichotillomania (hair pulling) and excoriation (skin picking). They share mechanisms and respond to related approaches.

What OCD is not

It is not being organised, houseproud or detail-oriented. "A bit OCD" as a compliment about tidiness describes a preference; OCD is the absence of choice. It is also not the same as an autistic need for sameness, which is regulating rather than distressing and is not performed to prevent a feared outcome.

Co-occurring

What often travels with OCD.

OCD overlaps with several things that look similar and need treating differently. Every new client here is screened for trauma and for neurodivergency as standard, because getting these distinctions right changes the treatment plan substantially.

Anxiety disorders

Related but distinct. Compulsions are more structured and more ritualised than general anxious checking, and OCD needs its own approach.

Anxiety →

Depression

Very common, and usually a consequence of the exhaustion and isolation rather than a separate origin. It can also make ERP harder to start, so the order matters.

Depression →

Autism

Autistic routines and OCD compulsions can look identical from outside and are entirely different underneath. Routines regulate and feel good; compulsions are driven by dread. Many people have both, and treating one as the other causes real harm.

Autism →

ADHD

The combination is genuinely difficult: one condition demands certainty, the other makes sustained attention hard. Treatment needs to account for both.

ADHD →

Trauma and PTSD

Intrusive thoughts occur in both and are not the same phenomenon. Where there is a trauma history, the order of treatment matters.

Trauma & PTSD →

Body dysmorphic disorder

Preoccupation with a perceived flaw in appearance, with checking, comparing and camouflaging. Same chapter, closely related treatment.

Hoarding disorder

Difficulty discarding and distress at the thought of it. Now a diagnosis in its own right rather than a subtype of OCD.

Hair pulling and skin picking

Body-focused repetitive behaviours. Related, common, and treated with a different technique than ERP.

Eating and body concerns

Rules, rituals and checking around food can look like OCD and can co-occur with it. We work out which is driving.

Eating & body →

Tics and Tourette's

Tic-related OCD is a recognised presentation, often starting in childhood, often with a strong just-right quality.

Perinatal OCD

Intrusive thoughts about harm coming to a baby are extremely common after birth and extremely frightening. They are not a risk indicator and they are very treatable. Please say it out loud to someone.

Words you will hear

A short glossary.

Terms that come up in OCD treatment, in research and in the community. Knowing them makes the treatment much easier to follow.

Avoidance

Steering clear of triggers entirely. It functions as a compulsion and expands the territory OCD controls.

Compulsion

Anything done to neutralise the distress: a visible behaviour or a purely mental act.

ERP

Exposure and Response Prevention. Approaching the trigger while not performing the compulsion. The treatment with the strongest evidence for OCD.

Family accommodation

When people around you participate: answering the reassurance, doing the checking, adjusting the household. Understandable, loving, and it maintains the OCD.

I-CBT

Inference-based CBT. A newer approach targeting the reasoning that makes the doubt feel credible. Useful where ERP is not tolerable.

Insight

How much you believe the fear at the time. It varies within a person and does not indicate severity.

Intrusive thought

A thought that arrives uninvited. Almost everyone has them. OCD is not about having them; it is about what happens next.

Just right

A physical sense of incompleteness that drives repeating until something feels correct. Common, and not always tied to a feared outcome.

Mental compulsion

Reviewing, arguing, praying, counting or checking internally. Invisible, and just as much a compulsion as washing.

Neutralising

Cancelling out a bad thought with a good one, a phrase, an image or an action.

Obsession

An unwanted, intrusive thought, image or urge that causes distress. Not a desire, despite the everyday meaning of the word.

Pure O

Community shorthand for OCD that looks purely obsessional. Slightly misleading, because the compulsions are there, they are just mental.

Reassurance seeking

Asking others, or searching, to resolve doubt. One of the most common and most under-recognised compulsions.

Response prevention

The active half of ERP, and the half that does the work. Exposure without it simply rehearses the fear.

Scrupulosity

Religious or moral OCD: fear of having sinned or committed an unforgivable act.

SSRI

The medication family used for OCD, typically at higher doses and for longer than in depression. Prescribed by a GP or psychiatrist; we do not prescribe.

Thought-action fusion

The belief that thinking something is morally equivalent to doing it, or makes it more likely. A central OCD mechanism.

What we do

Breaking the loop, not answering the question.

OCD asks a question that cannot be answered. Are you certain. Did it happen. What does it mean about you. Every attempt to answer it feeds it, which is why well-meaning therapy that examines the content of obsessions often makes OCD worse.

Mapping your version first

We identify your obsessions, every compulsion including the mental ones, and what you avoid. The mental compulsions are usually the ones people have never counted, and leaving them out is the most common reason treatment underperforms.

Exposure and Response Prevention

ERP has the strongest evidence of anything available for OCD. You approach the trigger, deliberately, and do not perform the compulsion. You do not learn that the feared thing will not happen. That cannot be proven, and it is the whole problem. You learn that you can live with the uncertainty, and that the distress falls without the ritual.

The hierarchy is yours. You order it, you choose what goes on it, and we start well below the hard end. Nobody is ambushed. ERP done to a person rather than with them does not work.

Where ERP is not the right starting point

ACT where the struggle itself has become the problem, and for building willingness to have a thought without acting on it. Inference-based CBT where doubt is generated by a reasoning process rather than a feared outcome, which suits some presentations better. Schema Therapy where the responsibility and perfectionism beliefs underneath have deep roots.

The people around you

Family accommodation means partners answering the reassurance, parents doing the checking, and households reorganised around the rules. It is loving, understandable, and one of the strongest predictors of OCD persisting. Where it helps and you want it, we bring the people involved into part of the work.

Medication

SSRIs have good evidence for OCD, typically at higher doses and over longer periods than for depression. Combined with ERP they often do better than either alone, particularly at the severe end. We do not prescribe, but we can help you prepare for that conversation and work alongside it.

A note on the frightening themes

If your obsessions involve harm, sex or children, you are not the first person to say it in this room. You will not be treated as a risk for having intrusive thoughts. Distinguishing OCD from actual risk is a routine clinical judgement, and the difference is not subtle.

Getting started

How we begin.

Nothing on this path involves being surprised or pushed. Every step is agreed before it happens.

01 Before we meet
You see your GP for the referral we need before your first appointment. If you want the Medicare rebate, ask about a Mental Health Treatment Plan while you are there, since it is a separate document from the referral.
02 Saying it out loud
The first session usually includes something you have never told anyone. Take your time. We ask about trauma and about neurodivergency with everyone.
03 Mapping the loop
Every obsession, every compulsion including the mental ones, and everything you avoid. This takes longer than people expect and it is what makes the rest work.
04 Building the hierarchy
Your triggers, ordered by difficulty, by you. We begin well below the hard end and move at a rate you set.
05 ERP, with the rituals coming out
Approaching triggers while not performing the compulsion, including the invisible ones. This is where the change happens.
06 Keeping it
OCD tends to test the perimeter again under stress. You finish with your own plan for recognising that early and responding to it.

Questions

Questions people ask about OCD.

I have thoughts I am too ashamed to say. Do I have to?

Eventually, in some form, because the ones kept hidden tend to be the ones driving it. But not in the first five minutes, and you can start by naming the theme rather than the detail. We have heard it before.

If I tell you I have thoughts about harming someone, what happens?

Nothing automatic. Intrusive thoughts are not intentions, and OCD is one of the best-understood conditions there is in this respect. Distinguishing it from genuine risk is a routine clinical judgement. Withholding it is far more dangerous to you than telling us.

Is it OCD or am I just tidy?

If it is a preference, it is a preference. OCD involves distress, a lack of choice, and time you would rather have back. Tidiness that feels good is not OCD.

Will ERP mean touching toilets?

Only if that is genuinely your trigger and only when you choose to. Exposure is built around your actual fears, in your order. Most of it is far less dramatic than the internet suggests.

Why will you not just reassure me?

Because reassurance is a compulsion, and giving it would make us part of the loop. We will be direct about that when you ask, and it is not us being withholding.

Can OCD be cured?

Many people reach the point where it no longer meaningfully shapes their life. Others get very substantial reduction and keep a plan for flare-ups. Either outcome is a good one and both are realistic.

Do I need medication?

Not necessarily. ERP alone works well for many people. At the severe end, combining it with an SSRI often does better. That is a GP or psychiatrist decision, and we will work alongside either choice.

I am autistic. Are my routines OCD?

Often not. Autistic routines usually regulate and feel good; compulsions are driven by dread and performed to prevent something. Many autistic people have both, and working out which is which changes what we do. Removing a helpful routine because it was mistaken for a compulsion does real harm.

Does ERP work over video?

Yes, and sometimes better, because much of the exposure belongs in the environment where the rituals actually happen.

Do you have an OCD psychologist in Melbourne?

Yes. We work with OCD in adults, including exposure and response prevention, in person at our Prahran clinic in Melbourne and online anywhere in Australia. You can contact us to start the process, and you need a GP referral before your first appointment.

Nearby in the manual

Related conditions in the DSM-5-TR.

The DSM-5-TR gives OCD its own chapter, shared with several conditions that run on a similar mechanism. We list them because people often recognise themselves in a neighbour rather than in OCD itself.

Obsessive-Compulsive Disorder
Body Dysmorphic Disorder
Hoarding Disorder
Trichotillomania (hair-pulling disorder)
Excoriation (skin-picking) Disorder
Substance or Medication-Induced Obsessive-Compulsive Disorder
Obsessive-Compulsive Disorder Due to Another Medical Condition

Obsessive-Compulsive Personality Disorder is a separate thing entirely, in a different chapter, and is not a more intense version of OCD despite the name.

Naming them is not diagnosing them. Which one fits is a conversation for your first session.

Beyond us

Further information and support.

These organisations publish plain-language information, run helplines and offer peer support, independently of us. We list them properly, with links, on our resources page.