Exposure and Response Prevention (ERP) Therapy

Exposure and Response Prevention (ERP) is a type of Cognitive Behavioral Therapy (CBT) that is shown in research to be incredibly effective in treating OCD.

At Sea Change Psychotherapy in Atlanta, we specialize in Exposure and Response Prevention (ERP) — the most effective evidence-based treatment for OCD and a range of related anxiety conditions. If you are struggling with obsessive thoughts, compulsive behaviors, or anxiety driven by avoidance, ERP offers a structured, proven path to lasting relief.

Who Benefits from ERP?

While ERP was developed specifically for OCD, the research base has expanded considerably. Our therapists use ERP principles to treat any condition where avoidance of feared stimuli maintains and intensifies anxiety over time.

Obsessive-Compulsive Disorder (OCD) across all subtypes — contamination, harm, scrupulosity, ROCD, Pure-O, symmetry, health anxiety OCD, and postpartum OCD. ERP is the gold-standard treatment for OCD, with success rates between 60% and 90%.

Body Dysmorphic Disorder (BDD) involves obsessive preoccupation with perceived physical flaws and compulsive behaviors like mirror-checking, skin-picking, or camouflaging. ERP for BDD targets these checking and avoidance behaviors directly.

Health Anxiety (Illness Anxiety Disorder) involves persistent, distressing fear of having or developing a serious illness, despite medical reassurance. Compulsions include body-checking, researching symptoms, and repeated doctor visits. ERP is highly effective.

Specific Phobias — fear of flying, needles, heights, certain animals — respond well to ERP’s graduated exposure model. Many phobia clients achieve their treatment goals in eight to twelve sessions.

Social Anxiety Disorder involves fear of judgment or humiliation in social situations, with avoidance as the primary compulsion. ERP for social anxiety uses behavioral experiments to test feared predictions in real social contexts.

Panic Disorder with Agoraphobia responds well to interoceptive exposure — a form of ERP that involves deliberately inducing feared physical sensations (rapid heartbeat, dizziness) in a safe setting to break the fear-of-fear cycle.

Hoarding Disorder has an ERP component: clients practice resisting the urge to save items and tolerating the anxiety of discarding. ERP is most effective for hoarding when combined with motivational work and cognitive restructuring.

What is ERP Therapy and How Does It Work?

Exposure and Response Prevention (ERP) is a type of Cognitive Behavioral Therapy (CBT) that empowers you to face your fears and break free from the cycle of obsessions and compulsions. ERP is grounded in a simple but powerful principle: when you confront feared thoughts or situations without performing the usual compulsion, anxiety peaks and then naturally subsides on its own — and with repetition, the feared stimulus loses its power.

ERP works through three interconnected mechanisms:

Exposure involves gradually and deliberately confronting the thoughts, images, objects, or situations that trigger your anxiety. Exposures are designed collaboratively with your therapist and begin at a manageable level, building progressively as you develop confidence.

Response Prevention means resisting the urge to perform the compulsive behavior during and after exposure. This is where the real change happens — you learn that the anxiety will decrease without the ritual, and that you can tolerate the discomfort.

Inhibitory Learning (what earlier models called habituation) describes how the brain updates its threat prediction over time. Repeated exposure without the feared consequence teaches your nervous system that the feared thought or situation is not actually dangerous, weakening the anxious response at its root.

The Research Behind ERP

ERP is one of the most extensively studied treatments in clinical psychology. Research shows success rates between 60% and 90% for OCD, with many clients maintaining their gains years after treatment ends. A landmark study published in The American Journal of Psychiatry demonstrated meaningful, durable reductions in OCD symptoms following ERP. A separate study in The Journal of Consulting and Clinical Psychology found ERP more effective than medication alone for achieving lasting results. For conditions beyond OCD — phobias, health anxiety, BDD, panic disorder — ERP-based approaches consistently outperform generic talk therapy in controlled trials.

What an ERP Session at Sea Change Looks Like

The first one or two sessions are assessment-focused. Your therapist maps your specific obsessions, compulsions (both behavioral and mental), the situations you avoid, and the impact on your daily life. This produces an exposure hierarchy: a ranked list of feared situations from least to most distressing.

Active ERP sessions then move through the hierarchy. Exposures are planned collaboratively — you and your therapist design them together, based on what will be challenging but not overwhelming. Some exposures happen in session; others are assigned as between-session practice. Your therapist does not do the exposure for you, but provides coaching, support, and accountability throughout.

Between sessions, you practice independently. Progress is reviewed at the start of each session and the hierarchy is adjusted as you build tolerance.

Treatment Timeline and What to Expect

A standard course of ERP runs between 12 and 20 sessions. Many clients with focused OCD symptoms see significant improvement within the first six to eight sessions. Complex or long-standing OCD, or OCD with significant comorbidities such as depression or trauma, may require a longer course.

ERP requires active participation outside of sessions — between-session exposures are where most of the learning happens. Clients who engage consistently with between-session practice tend to see faster and more durable results. Your therapist will never assign exposures you haven’t collaboratively designed and agreed to.

Progress in ERP is rarely linear. Some exposures are more difficult than anticipated; some weeks feel like regression. Your therapist tracks your hierarchy throughout and adjusts the approach based on what you are experiencing.

Our ERP Therapists in Atlanta

Melissa Velliquette, Ed.S., LPC specializes in OCD, hoarding disorder, and neurodivergent presentations, and delivers ERP as a primary treatment modality. She is trained in the full range of OCD subtypes including Pure-O, postpartum OCD, and pediatric presentations.

Elizabeth Ceuninck, M.Ed./Ed.S. treats OCD across the lifespan including pediatric and adolescent presentations, working with both ERP and I-CBT depending on the client’s needs.

Pamela Madsen, MS, LPC, ACS has completed specialized training in ERP and treats OCD alongside related conditions including eating disorders, perfectionism, and emotional overcontrol.

ERP Therapy in Atlanta

ERP is available in person at our Buckhead, Atlanta office and via telehealth throughout Georgia, South Carolina, Florida, and Colorado. If you are ready to stop managing anxiety around the compulsion and start breaking the cycle for good, we invite you to reach out for a consultation.