When people think of Obsessive Compulsive Disorder (OCD), they often picture visible compulsions: excessive handwashing, checking locks, or repeated rituals that are obvious to others. While these presentations absolutely exist, they represent only part of the picture. In my clinical work, I often meet people who have been struggling for years with OCD without realizing it – largely because their symptoms don’t match the stereotype.

OCD is not defined by what a person fears, but by the relationship they have with their thoughts, doubts, and urges. When that relationship is driven by an urgent need for certainty, relief, or reassurance, OCD can quietly take hold in ways that are easy to miss.

OCD Without Obvious Compulsions

One of the most overlooked presentations involves compulsions that happen internally rather than externally. These are often referred to as mental compulsions and, because they’re invisible, they frequently go undetected.

Examples include:

• Mentally replaying conversations to check whether something inappropriate was said
• Repeatedly analysing thoughts to determine what they “mean”
• Silently reassuring oneself that a feared outcome won’t happen
• Comparing current feelings to past feelings to check if something has changed
• Trying to “solve” or neutralise an intrusive thought through logic

From the outside, this can look like overthinking or anxiety. Internally, however, it’s often exhausting, time-consuming, and deeply distressing.

“Pure-O”: A Misleading Label

Many people are told they have “Purely Obsessional OCD” or “Pure-O”, implying that there are obsessions without compulsions. Compulsions, however, are almost always present – they’re just less visible.

Mental checking, reassurance-seeking (internally or externally), avoidance, and rumination all function as compulsions when their purpose is to urgently reduce anxiety or uncertainty. Unfortunately, because these behaviours can resemble problem-solving or introspection, they can often be reinforced rather than challenged.

OCD Disguised as Other Difficulties

OCD can also hide behind other labels, which can delay accurate diagnosis and effective treatment.

Some common examples of when OCD might also be present alongside another diagnosis include:

• Perfectionism: When mistakes feel intolerable and mental checking or redoing becomes compulsory
• Health anxiety: When reassurance-seeking and symptom monitoring become repetitive and rigid
• Relationship anxiety: When constant doubt about love, attraction, or “rightness” drives ongoing checking and reassurance
• Moral or ethical anxiety: When fears about being “bad”,  harmful, or irresponsible lead to relentless self-monitoring

In these cases, the content of the fear can seem reasonable or even admirable. It’s the process (i.e., the compulsive attempts to gain certainty) that signals OCD.

High Insight Doesn’t Mean Low Impact

Another subtle feature of OCD is insight. Many people with OCD know their fears are unlikely, exaggerated, or irrational. This can lead others (and sometimes the person themselves) to assume the problem “can’t be that bad”.

But insight does not protect against distress.

In fact, people with high insight in OCD often suffer silently. They may feel ashamed for being unable to “let it go”, frustrated by how convincing their doubts feel, or worried they’re wasting time thinking about things that shouldn’t matter so much. This self-criticism can compound the problem and make it harder to seek help.

When Avoidance Looks Like Coping

Avoidance is another common but under-recognised feature of OCD. People may:

• Avoid movies, news, or social media that could trigger certain thoughts
• Avoid making decisions in case they choose “wrong”
• Avoid relationships, responsibilities, or situations that increase uncertainty

Because avoidance can reduce anxiety in the short term, it often feels like a sensible coping strategy. And, often, it’s very effective – at least in the short-term. Over time, however, it quietly shrinks a person’s life and strengthens the OCD cycle.

Why These Presentations Are Often Missed

Subtle OCD presentations are frequently overlooked because:

• Symptoms are internal and hard to observe
• The fears themselves can sound realistic or morally driven
• People are often articulate, high-functioning, and insightful
• Compulsions may be mistaken for reflection, purely anxiety, or a personality trait

As a result, individuals may receive well-meaning advice to “think more positively”, “challenge the thought”, or “get reassurance”, all of which can unintentionally reinforce OCD.

Getting the Right Support

Effective treatment for OCD focuses less on eliminating intrusive thoughts and more on changing how a person responds to them – our relationship with our thoughts. Learning to tolerate uncertainty, resist compulsive responses (including mental ones), and gently re-engage with avoided situations is key.

If you recognize yourself in any of the patterns described above, it doesn’t mean something is “wrong” with you. OCD is not a failure of logic or insight – it’s a pattern the brain learns in an attempt to feel safe.

With the right support, that pattern can be unlearned.

If you’re unsure whether what you’re experiencing is OCD, anxiety, or something else entirely, a thorough assessment with a psychologist experienced in obsessive and anxiety-related conditions can help clarify what’s going on and guide appropriate treatment.

You are welcome to contact the team at the OCD Clinic, Brisbane, to schedule such an appointment via either (07) 3395 5335 or reception@ocdclinicbrisbane.com.au.

Written by Sally Youdale (Clinical Psychologist)