Exposure therapy is an evidence-based treatment for anxiety disorders that focuses on changing the cycle of fear and avoidance. Avoiding a feared situation can bring immediate relief, but over time it can reinforce the belief that the situation is dangerous. Exposure therapy helps you approach feared situations gradually and safely, allowing new learning to take place. It can be used for conditions including specific phobias, social anxiety disorder, panic disorder, OCD, PTSD, and health anxiety.
Why does avoidance make anxiety worse?
Avoidance can reduce anxiety in the short term, but it can maintain anxiety over time by reinforcing the idea that the avoided situation is dangerous. Each time you escape or avoid something you fear, your brain receives immediate relief, which makes avoidance more likely the next time. This process is known as negative reinforcement and can gradually expand the range of situations you avoid.
When something makes you anxious, avoiding it can feel like the most logical response. Your heart rate settles, the sense of dread decreases, and you feel safer. The relief is real — but it can also strengthen the avoidance cycle.
For example, someone who experiences a panic attack in a grocery store may initially avoid that particular store. Over time, they might begin avoiding other stores, shopping alone, driving, or eventually leaving home altogether.
Avoidance can involve more than physically staying away from a situation. It may also include:
- leaving situations early;
- repeatedly asking for reassurance;
- distracting yourself whenever anxiety appears;
- relying on safety behaviours;
- avoiding certain thoughts, sensations, places, or conversations.
How does exposure therapy work?
Exposure therapy helps you approach feared situations, thoughts, memories, or physical sensations in a planned and gradual way. Instead of using avoidance to reduce anxiety, you remain engaged with the experience and learn through it. Modern exposure therapy focuses on inhibitory learning: developing new information that can compete with older fear-based expectations rather than simply waiting for anxiety to disappear.
The process usually begins with an assessment of your anxiety pattern and the situations, thoughts, or sensations you currently avoid. You and your therapist then decide which exposures are appropriate.
A therapist may help you create a fear hierarchy, with situations arranged from less distressing to more challenging. For example, someone afraid of dogs might progress through steps such as:
- looking at photographs of dogs;
- watching videos of dogs;
- observing a dog from a distance;
- standing closer to a calm dog;
- eventually interacting with a dog.
The goal is not simply to force yourself to tolerate discomfort. Exposure gives you an opportunity to discover that your predictions about danger, inability to cope, or catastrophic consequences may not occur — or that you can cope even when anxiety is present.
What are the different types of exposure therapy?
Exposure therapy can involve real-life situations, imagined scenarios, physical sensations, or virtual environments. The appropriate format depends on the condition being treated, the specific fear, and the treatment plan. Common approaches include in vivo exposure, imaginal exposure, interoceptive exposure, and virtual reality exposure.
In vivo exposure
In vivo exposure involves confronting a feared situation in real life. Examples might include:
- giving a presentation when you fear public speaking;
- entering a crowded place when you fear crowds;
- using public transport when you fear travelling;
- approaching a feared animal.
Because the exposure takes place in the situation itself, it can provide direct opportunities for new learning.
Imaginal exposure
Imaginal exposure involves deliberately imagining a feared situation, event, memory, or outcome. It may be useful when direct exposure is impossible or inappropriate, including some forms of trauma-focused treatment.
For example, a therapist working with someone who has experienced a traumatic event may use a structured form of imaginal exposure as part of Prolonged Exposure therapy.
Interoceptive exposure
Interoceptive exposure focuses on physical sensations that a person fears. It is particularly relevant to panic disorder, where sensations such as dizziness, increased heart rate, breathlessness, or light-headedness can themselves become triggers for anxiety.
A therapist might use carefully selected exercises to produce a sensation similar to one the person fears. The aim is to learn that the sensation itself does not necessarily signal danger.
Virtual reality exposure
Virtual reality exposure therapy (VRET) uses computer-generated environments to recreate situations that trigger anxiety. It can be particularly useful when real-world exposure is difficult to arrange or when a person prefers to begin with a more controlled environment.
Research has investigated VRET for conditions including specific phobias and social anxiety, with findings supporting its potential as an exposure-based treatment option.
How is exposure therapy different for OCD?
For OCD, exposure therapy is usually delivered as Exposure and Response Prevention (ERP). ERP involves deliberately approaching obsessive triggers while resisting the compulsive behaviours or rituals that normally provide temporary relief. Preventing the compulsive response is an essential part of the treatment because compulsions can otherwise continue to reinforce the OCD cycle.
For example, someone with contamination-related OCD might touch a surface they consider contaminated and then resist the urge to wash their hands immediately. Rather than using the compulsion to reduce anxiety, they remain with the uncertainty and allow the anxiety to change naturally.
ERP can involve different forms of exposure depending on the person’s obsessions and compulsions, including:
- touching feared objects or surfaces;
- resisting checking rituals;
- reducing reassurance-seeking;
- tolerating uncertainty;
- confronting feared thoughts without performing compulsions.
ERP is a well-established psychological treatment for OCD and is typically delivered by a therapist with specific training in this approach.
Does exposure therapy mean confronting your biggest fear immediately?
No. Exposure therapy does not usually mean being forced into the most frightening situation without preparation. Although flooding involves immediate exposure to a highly feared situation, modern exposure treatment is generally planned collaboratively and tailored to the person’s symptoms, goals, and treatment needs.
A typical exposure plan may include:
- identifying situations or experiences that trigger anxiety;
- understanding avoidance and safety behaviours;
- choosing appropriate exposure exercises;
- starting at a manageable level of difficulty;
- gradually introducing more challenging exposures;
- reviewing what was learned from each exercise.
The exact structure varies between conditions and individuals. Exposure should be conducted within an appropriate therapeutic framework rather than treated as a self-directed challenge to endure as much anxiety as possible.
What should you expect when starting exposure therapy?
Starting exposure therapy usually involves assessment and psychoeducation before or alongside exposure exercises. Your therapist will work with you to understand your anxiety pattern, identify avoidance behaviours, and develop an appropriate treatment plan. The pace varies depending on the condition, severity, treatment goals, and response to therapy.
Exposure work can be uncomfortable because it involves approaching things that you normally avoid. That discomfort does not mean that the treatment is going wrong. At the same time, exposure should not be understood as simply forcing yourself through overwhelming distress.
Your therapist may help you evaluate:
- what you expect will happen;
- what you normally do to reduce anxiety;
- what happens when you stay in the situation;
- what you learn from the experience;
- how the new learning applies outside therapy.
The number of sessions varies considerably. Some specific phobias may require relatively brief treatment, while conditions such as OCD or PTSD can require a longer course of therapy.
Can exposure therapy be done online?
Yes. Some forms of exposure therapy can be delivered through telehealth, depending on the condition, treatment plan, therapist’s training, and type of exposure required. Online therapy can allow a therapist to guide you through exercises in your own environment or coach you through situations that can be safely accessed outside the therapy room.
Online exposure work may include situations such as:
- making an anxiety-provoking phone call;
- practising a social interaction;
- entering an online meeting;
- approaching an agreed situation outside the home while remaining connected with your therapist;
- working through imaginal exposure or ERP exercises.
Not every exposure is appropriate for online treatment, so the therapist should determine whether telehealth is suitable for your individual circumstances.
What conditions can exposure therapy help treat?
Exposure-based approaches are used across several anxiety-related and trauma-related conditions. The exact treatment protocol differs depending on the diagnosis and symptoms, and exposure may form one component of a broader evidence-based treatment.
Exposure-based treatment may be used for:
- specific phobias — such as fear of animals, heights, flying, or needles;
- social anxiety disorder — including exposure to feared social or performance situations;
- panic disorder — including exposure to feared physical sensations;
- agoraphobia — including gradual exposure to avoided places or situations;
- OCD — usually through Exposure and Response Prevention (ERP);
- PTSD — including specific trauma-focused exposure approaches such as Prolonged Exposure;
- health anxiety — where exposure can target health-related checking, reassurance-seeking, and avoided situations.
The appropriate treatment depends on the individual rather than simply the diagnostic label. A qualified therapist can assess whether exposure is suitable and which form of treatment is appropriate.
Frequently asked questions
What is exposure therapy used for?
Exposure therapy is used in evidence-based treatment for several anxiety-related conditions, including specific phobias, social anxiety disorder, panic disorder, agoraphobia, OCD, and some trauma-related conditions. The specific form of exposure depends on the condition. For OCD, for example, exposure is usually combined with response prevention as ERP.
Why does avoidance make anxiety worse?
Avoidance can reduce anxiety immediately, but that relief can reinforce the behaviour and make future avoidance more likely. Over time, this can prevent new learning about whether a situation is actually dangerous and whether you can cope with it. Avoidance is therefore an important maintaining factor in many anxiety disorders.
Is exposure therapy effective?
Exposure-based treatments have substantial research support for several anxiety disorders and related conditions. Their effectiveness varies depending on the condition, treatment protocol, individual circumstances, and other factors. Exposure is often incorporated into broader cognitive behavioural treatment rather than used as an identical protocol for everyone.
Does exposure therapy work for OCD?
Yes. Exposure and Response Prevention (ERP) is a well-established psychological treatment for OCD. It involves approaching situations, thoughts, or sensations associated with obsessions while deliberately reducing or preventing compulsive responses and other safety behaviours.
How long does exposure therapy take to work?
There is no single number of sessions that applies to everyone. Treatment length depends on the condition, symptom severity, treatment goals, and response to therapy. Some specific phobias may respond to relatively brief treatment, while OCD, PTSD, and more complex anxiety presentations may require a longer course.
Can exposure therapy be done online?
Yes, some exposure-based treatments can be delivered through telehealth. Online treatment may be suitable for exercises that can safely be completed in the person’s environment or guided remotely by a therapist. Whether online exposure is appropriate depends on the condition, the type of exposure, and the therapist’s assessment.
What’s the difference between exposure therapy and flooding?
Flooding involves immediate exposure to a highly feared situation rather than gradually progressing through a hierarchy. Exposure therapy can use different levels of intensity and does not necessarily involve flooding. In contemporary practice, exposure is generally planned collaboratively and tailored to the person’s treatment needs rather than defined simply by how quickly anxiety is increased.
Sources
- Craske, M. G., Treanor, M., Conway, C. C., Zbozinek, T., & Vervliet, B. (2014). Maximizing exposure therapy: An inhibitory learning approach. Behaviour Research and Therapy, 58, 10–23. https://doi.org/10.1016/j.brat.2014.04.006
- Abramowitz, J. S., Taylor, S., & McKay, D. (2009). Obsessive-compulsive disorder. The Lancet, 374(9688), 491–499. https://doi.org/10.1016/S0140-6736(09)60240-3
- Carpenter, J. K., Andrews, L. A., Witcraft, S. M., Powers, M. B., Smits, J. A. J., & Hofmann, S. G. (2018). Cognitive behavioral therapy for anxiety and related disorders: A meta-analysis of randomized placebo-controlled trials. Depression and Anxiety, 35(6), 502–514. https://doi.org/10.1002/da.22728
- Kaczkurkin AN, Foa EB. Cognitive-behavioral therapy for anxiety disorders: an update on the empirical evidence. Dialogues Clin Neurosci. 2015 Sep;17(3):337-46. doi: 10.31887/DCNS.2015.17.3/akaczkurkin.
- National Institute of Mental Health. (2024). Anxiety disorders. U.S. Department of Health and Human Services. https://www.nimh.nih.gov/health/topics/anxiety-disorders
- Maples-Keller, J. L., Bunnell, B. E., Kim, S. J., & Rothbaum, B. O. (2017). The use of virtual reality technology in the treatment of anxiety and other psychiatric disorders. Harvard Review of Psychiatry, 25(3), 103–113. https://doi.org/10.1097/HRP.0000000000000138
If anxiety or avoidance is limiting your daily life, an online therapist can help you understand your symptoms and explore evidence-based treatment options.
