OCD and anxiety: how are they linked?

If you live with OCD, you will probably know that it has very little to do with being tidy or liking things a certain way. At its heart is anxiety.

OCD is a diagnosis in its own right and is closely related to the anxiety disorders, but it is the anxiety that keeps the whole cycle turning. An intrusive thought arrives, bringing a wave of fear or distress about what it might mean, and a compulsion might follow as a way to make that feeling go away (Abramowitz et al., 2026). Understanding this can be a relief. It shifts the focus from the rituals to the experience underneath them, which is often where the real exhaustion lies.

Why the cycle can feel so hard to break

Research looking at how OCD, anxiety and low mood connect has found that panic, and the distress caused by obsessions and compulsions themselves, sit right at the centre of the picture (Cheng et al., 2025). For people living with OCD, this often means a compulsion brings some short-lived relief, then the anxiety returns, and with it the urge to repeat the compulsion.

If this sounds familiar, it is worth knowing that this is not a failure of willpower. It is simply how the cycle works. It also means that helpful support needs to address the anxiety itself, not just the behaviours other people can see.

When your body doesn't feel safe

Many people with OCD notice that their anxiety shows up physically: a racing heart, tight breathing, an uneasy feeling in the stomach. Researchers call our sense of what is happening inside the body interoception, and it is becoming an important part of how we understand OCD.

A recent review found that people with OCD tend to pay closer attention to bodily sensations, trust those signals less, and are more likely to read them as a sign that something is badly wrong (Snell et al., 2026). When your body feels unsettled, and the only thing that seems to calm it is a ritual, compulsions can start to feel less like choices and more like the only way to feel OK.

I hear this often from clients. Seeing compulsions as an understandable attempt to cope, rather than as irrational behaviour, can help ease some of the shame many people carry alongside OCD.

What treatment can offer

The good news is that help exists. The most established psychological treatment for OCD is exposure and response prevention (ERP), a form of cognitive behavioural therapy. With the support of a therapist, you gradually face the thoughts and situations that trigger your anxiety, at a pace you agree together, while learning to resist the compulsion that usually follows. Over time, the anxiety tends to lose its grip.

Importantly, research shows that ERP does not only reduce compulsions. People who took part in a course of ERP also experienced a meaningful drop in anxiety and low mood compared with those still waiting for treatment (Sadri Damirchi et al., 2026). In other words, recovery is about feeling better, not just doing fewer rituals.

Alongside ERP, inference-based CBT and SSRI medication are also recommended as first-line treatments (Abramowitz et al., 2026). Not everyone responds to the first approach they try, and if that has been your experience, you are far from alone. Researchers are actively exploring further options for people who need something more, including additional medication approaches (Bryan & Hassoulas, 2026). If medication is something you would like to consider, your GP is a good place to start that conversation.

If you are thinking about reaching out

Because anxiety and OCD are so closely entangled, the most helpful support usually attends to both. Alongside exposure-based work, therapy can help you understand your nervous system, rebuild trust in what your body is telling you, and make space for the emotional toll of living with intrusive thoughts day after day.

Gaps can still exist between the treatments known to help and what people can actually access (Isung, Fernández de la Cruz & Mataix-Cols, 2026). So when you are looking for a therapist, it is worth asking about their experience of working with OCD, whether they offer ERP or a similar evidence-based approach, and how they work with anxiety in the body. A good therapist will be happy to talk this through with you before you begin.

Reaching out can feel daunting, especially when OCD may already be telling you that something is wrong with you. Nothing is. The anxiety that runs alongside OCD is not something you have to push through alone. It is part of the condition itself, and it's exactly what good treatment is designed to help with.

References

Abramowitz, J. S. et al. (2026). BMJ.

Bryan, & Hassoulas, A. (2026). BMC Psychiatry.

Cheng et al. (2025). Frontiers in Psychiatry.

Isung, J., Fernández de la Cruz, L., & Mataix-Cols, D. (2026). BMJ.

Sadri Damirchi, E., Pireinaladin, S., & Mohammadzadeh, A. (2026). Health Psychology Report.

Snell et al. (2026). Journal of Affective Disorders.