Exposure and Response Prevention (ERP) Therapy
Philadelphia-Based Evidence-Based Exposure Therapy for OCD, Intrusive Thoughts, Compulsions, Panic, Phobias, and Anxiety
At the Center for Anxiety, OCD, and Cognitive Behavioral Therapy, based in Philadelphia, we specialize in Exposure and Response Prevention (ERP) therapy and related forms of exposure-based cognitive behavioral therapy (CBT). ERP is best known as a gold-standard treatment for OCD (obsessions and compulsions). And it can also be highly effective, often in adapted forms, for panic disorder, agoraphobia-type avoidance, health/illness anxiety, specific fears and phobias, emetophobia, social and performance anxieties, and other anxiety-related concerns where avoidance and safety behaviors keep the fear cycle alive. Located in Center City, Philadelphia, PA (Rittenhouse Square), we serve Pennsylvania, New Jersey, and Delaware in person and support many patients across the country via telehealth.
Many people come to us after feeling stuck in patterns such as intrusive thoughts and obsessional doubt, compulsions and rituals, reassurance-seeking, checking, avoidance, safety behaviors, panic symptoms, fear of public places, or specific triggers (such as driving, flying, contamination, illness sensations, or vomiting). Others seek exposure therapy because anxiety has narrowed their life, affecting relationships, parenting, school, work, or daily functioning. And they want a structured, evidence-based path back toward freedom and confidence.
At our Center, we practice ERP in a way that is highly evidence-based, deeply collaborative, and built around learning, discovery, and growth, not simply “getting your anxiety up.”
What is Exposure and Response Prevention (ERP)?
Exposure and Response Prevention (ERP), sometimes called exposure and response prevention training, is a specialized form of cognitive behavioral therapy (CBT) and a form of exposure-based therapy. ERP involves gradually approaching anxiety or fear-related triggers in a controlled, thoughtful, and therapeutic way, while learning to resist compulsions, rituals, avoidance patterns, reassurance-seeking, and other safety behaviors—a process also known as response prevention or ritual prevention. At the Center, ERP also includes thoughtful planning and review: we collaboratively design exposures to be meaningful and targeted, then process what you learned afterward to help consolidate progress and extend learning into daily life. Over time, ERP involves ongoing monitoring of triggers, responses, and symptom patterns so treatment stays responsive, personalized, and effective as anxiety or OCD shifts.
When done well, ERP can be a powerful and even transformative way to change anxiety-related and obsession-related cycles, especially when fear-based patterns have narrowed your world, limited your choices, or kept your life feeling restricted
ERP at the Center: Exposures as Learning
We see exposures as learning exercises—experiences designed to test and revise anxiety-related beliefs, to practice relating differently to emotion (fear, anxiety, embarrassment, disgust, discomfort), and to develop greater tolerance for uncertainty, risk, and the unknown. Exposures involve facing uncomfortable things, yes. But we emphasize that effective exposures should be growth-oriented, personally meaningful, and often transformative. Our aim isn’t to “prove you can withstand anxiety.” Our aim is to help you reclaim a fuller life and build confidence in your ability to cope with discomfort, doubt, uncertainty, and intrusive thoughts.
Learning is the goal. And the deeper goal is to help you build a life that OCD and anxiety can no longer confine.
If you’d like a fuller sense of how we practice evidence-based therapy more broadly, you can also explore our therapy approach.
Who Can Benefit from ERP and Related forms of Exposure Therapy and Exposure-Based CBT?
Exposure and Response Prevention (ERP) is one of the best-known and most effective exposure-based approaches — especially for OCD. More broadly, exposure therapy principles (often combined with CBT strategies and response/ritual prevention) can be adapted for many anxiety-related and fear-based concerns, particularly when avoidance, safety behaviors, reassurance-seeking, checking, or rumination are keeping the fear cycle alive.
- OCD (including Pure O / mental compulsions, contamination OCD, checking, harm OCD, scrupulosity, relationship OCD, sexual intrusive thoughts, “just right” OCD, reassurance-seeking OCD, and illness-related obsessions)
- Panic disorder and panic symptoms (including interoceptive exposure)
- Agoraphobia-type avoidance (fear of being far from help, transportation, crowds, enclosed spaces, situations where escape feels hard or embarrassing)
- Specific phobias (flying, driving, needles, vomiting/emetophobia, illness fears, choking/swallowing fears, animals, heights, confined spaces)
- Health anxiety / illness anxiety (hypochondriasis) (including reassurance-seeking, checking, symptom monitoring, and medical avoidance or overuse)
- Social anxiety and performance anxiety (especially when safety behaviors and avoidance are central)
- General fear-based avoidance patterns that keep life small
ERP and related exposure-based CBT approaches can also be integrated into treatment for concerns such as body dysmorphic disorder (BDD), misophonia, hoarding, eating-related fears, and shy bladder syndrome (paruresis) when clinically appropriate.
Common Searches Related to ERP and Exposure Therapy
People often find us by searching for phrases like “ERP for intrusive thoughts,” “ERP for Pure O OCD,” “ERP for reassurance seeking,” “ERP for checking,” “ERP for contamination OCD,” or “telehealth ERP therapy.” Others search for “ERP therapist,” “ERP specialist,” “CBT with exposure therapy,” or the “gold standard OCD treatment.” Many people also arrive at ERP by searching for help with illness-related fears and uncertainty, including health anxiety / illness anxiety (hypochondriasis) and illness-focused OCD patterns. If you’ve been Googling these terms and wondering what they actually mean in real treatment, and how to find high-quality help that fits you, you’re in the right place.
What is Exposure and Response Prevention (ERP) training?
ERP training involves learning how to confront feared triggers and resist compulsions effectively — not by overpowering yourself, but by building a different relationship with fear, uncertainty, and urges.
In ERP training, patients learn how to:
- notice and map their OCD/anxiety cycle
- identify triggers and rituals (including mental rituals)
- understand and respond more effectively to distressing thoughts
- practice exposures as learning exercises
- reduce response patterns that backfire over time
- apply skills in real-life contexts
Is Exposure and Response Prevention (ERP) at Our Center a Good Fit for You?
ERP therapy at our Philadelphia-based anxiety, OCD, and CBT specialized psychology practice may be a fit if you notice patterns like:
- You get intrusive thoughts or “what if” fears that feel urgent or dangerous
- You do behaviors (or mental rituals) to feel certain, safe, clean, reassured, or “resolved”
- You avoid triggers or situations that others seem to handle normally
- You spend a lot of time checking, reviewing, researching, confessing, asking questions, or trying to “figure it out”
- Your world has narrowed: relationships, school, work, parenting, travel, or daily routines have become constrained
- You want a therapy that is structured and evidence-based, but also collaborative and personalized
- You want not only symptom reduction, but growth: confidence, freedom, resilience, and self-trust
How Did ERP Evolve? And How Do Specialists Practice It Today?
Exposure and Response Prevention (ERP) grew out of behavioral science and learning theory, with foundational work such as Joseph Wolpe’s systematic desensitization, and continued refinement through decades of clinical research. The modern form of ERP for OCD was developed by Victor Meyer and significantly advanced by Edna Foa, under whom our Center’s director studied for two years. Our work is also influenced by Jonathan Grayson, whose contributions deeply inform contemporary OCD treatment.
ERP has evolved through both earlier models (including emotional processing theory and coping self-efficacy) and newer learning frameworks such as inhibitory learning theory, cognitive perspectives including behavioral experiments, and willingness/acceptance-based approaches. At the Center, we use these modern frameworks to make ERP more effective, flexible, and personally meaningful — and to tailor exposure-based work for different anxiety-related presentations, including individuals who have tried therapy in the past and need a more precise or customized approach.
High-quality ERP (and exposure-based cognitive and behavioral therapies more broadly) is not simply “doing scary things until anxiety drops.” Effective treatment requires a thoughtful understanding of each person’s symptoms and goals — including the core fears and beliefs that drive the anxiety or OCD cycle, the specific forms of avoidance and safety behaviors involved (including subtle mental rituals like rumination or mental checking), and a process of reviewing exposures carefully so learning becomes clear, lasting, and transferable to real life.
This emphasis on personalization, precision, and learning is a major reason ERP can be so powerful, and it is also why specialist delivery matters. For this reason, our clinicians are not only committed to offering ERP therapy at a high level, but also to helping advance how ERP is practiced and understood more broadly. We are actively involved in supporting and educating other clinicians in exposure-based CBT through training, consultation, and supervision, with an emphasis on delivering ERP in a way that is both evidence-based and deeply individualized.
What are the Basic Techniques of Exposure and Response Prevention?
ERP can look very different depending on who provides it. At the Center for Anxiety, OCD, and Cognitive Behavioral Therapy, we practice ERP as a structured, collaborative learning process. While each treatment plan is individualized, our ERP work typically includes a consistent set of evidence-based components, thoughtfully adapted to the person in front of us. Common components include:
- Self-monitoring: identifying triggers, obsessions, rituals, avoidance, safety behaviors, and mental compulsions
- Psychoeducation: learning how OCD/anxiety works and why exposure therapy and response prevention are effective
- In vivo exposures: approaching real-life triggers
- Imaginal exposures: confronting feared outcomes through stories or guided imagery
- Interoceptive exposures: facing feared bodily sensations (common in panic)
- Thought exposures / cognitive exposure: practicing allowing intrusive thoughts without neutralizing
- Response prevention (ritual prevention): resisting compulsions, reassurance seeking, avoidance, and safety behaviors
- Delaying rituals: increasing time between trigger and ritual response
- Modifying rituals: changing rituals strategically when appropriate as a step toward full prevention
- Addressing new triggers: updating the plan as OCD/anxiety shifts themes
- Reviewing progress: tracking learning, confidence, and generalization
- Post-exposure processing: extracting meaning and extending learning into daily life
These methods help patients understand the OCD/anxiety cycle, confront fears, detach from unhelpful responses, and build confidence in coping. At the Center, we place particular emphasis on personalization, growth, and learning-focused review, because ERP is most effective when it goes beyond “getting through exposures” and becomes a coherent, sophisticated process of lasting change — something that not every clinician or practice is trained to deliver.
What Is a Typical ERP Therapy Session Like at the Center?
ERP therapy at the Center is structured, collaborative, and highly personalized. While early sessions often focus on building clarity (understanding symptom patterns, mapping the anxiety/OCD cycle, and establishing goals), ongoing sessions are designed to help patients make meaningful progress in real life — not just talk about anxiety or tolerate discomfort in the abstract.
A typical ERP therapy session at the Center often includes:
- Reviewing the time between sessions, including real-life triggers, symptom shifts, and any in-between-session monitoring or tracking
- Reviewing ERP practice (“homework”), including exposure exercises attempted, response prevention successes and slip-ups, and the specific learning that emerged
- Refining the case map, identifying how obsessions, fears, avoidance patterns, compulsions, reassurance-seeking, threat monitoring, and mental rituals (such as rumination or mental checking) fit together and keep the cycle alive
- Setting a focused agenda, so the session stays targeted, efficient, and productive
- Planning exposures thoughtfully, as learning exercises designed to test fear-based predictions, build uncertainty tolerance, and support values-based re-engagement with life
- Practicing ERP in session when helpful, including in-vivo exposure, imaginal exposure, interoceptive exposure (for panic), and/or thought-based exposure (for intrusive thoughts)
- Response prevention practice, with careful attention to the particular behaviors and mental processes that maintain the cycle, and how to change them in a personalized and sustainable way
- Post-exposure processing, where therapist and patient review what was learned, extract key insights, and extend the learning into daily life
- Between-session practice planning, including a realistic plan for exposures, response prevention targets, and supportive monitoring tools that help keep progress on track
Depending on the person’s needs and goals, ERP sessions at the Center may also integrate elements of CBT (e.g., prediction change and behavioral experiments), ACT (e.g., defusion, willingness, and values-based action), metacognitive strategies (e.g., shifting threat monitoring and rumination habits), and compassion-focused work (reducing shame and self-criticism). These are not add-ons for their own sake — they are integrated only when they help ERP become more effective, more meaningful, and more sustainable.
Many patients find that this combination — structured ERP practice plus careful review, learning-focused processing, and sophisticated conceptualization — helps them become increasingly skilled at unhooking from fear-driven cycles and reclaiming areas of life that anxiety or OCD has kept restricted.
Can ERP Be Integrated With Other Evidence-Based Approaches at the Center?
ERP is one of the most well-studied and effective forms of exposure-based CBT. It also sits within a broader family of evidence-based cognitive and behavioral therapies. For example, ERP is related to Prolonged Exposure (PE) for PTSD and trauma. Exposure-based methods are also commonly integrated into CBT approaches for concerns such as social anxiety, performance anxiety, panic disorder, agoraphobia-type avoidance, specific phobias, shy bladder syndrome (paruresis), and other fear-based patterns where avoidance and safety behaviors keep life restricted.
At the Center, ERP is structured, flexible, and deeply personalized to you or your child. When appropriate, we integrate other evidence-based methods to strengthen ERP and extend learning into real life. We do not add techniques simply because they are popular or trendy. We incorporate approaches only when they have strong theoretical foundations and research support, and when they clearly support exposure-based work and make treatment more effective for the person in front of us, using integration in a selective, intentional, and goal-directed way.
Depending on a person’s needs, goals, and symptom profile, ERP at the Center may be combined with:
- Cognitive Behavioral Therapy (CBT) strategies (behavioral experiments, prediction change, cognitive shifts, and skills for approaching feared situations more effectively)
- Metacognitive strategies (targeting threat monitoring, rumination, “figuring it out,” and beliefs about safety behaviors and reassurance)
- Acceptance and Commitment Therapy (ACT) elements (defusion, willingness, values-based action, and building a different relationship with anxiety and uncertainty)
- Compassion-focused interventions (reducing shame and self-criticism, strengthening validation, and supporting resilience during exposure practice)
- Inference-Based CBT (I-CBT) for OCD when clinically appropriate (especially when inference-based doubt is central)
- Dialectical Behavior Therapy (DBT) skills when needed (emotion regulation, distress tolerance, and relationship effectiveness skills that support exposure practice and follow-through)
Working together, we develop a clear treatment plan. ERP may be integrated with these approaches either at the same time or in phases. The goal is always the same. We want to create strong learning, build momentum, and support lasting change.
If you are a clinician, school, or organization seeking guidance, we also offer consultation and outreach.
Can ERP Therapy Help Kids and Teens with OCD and Anxiety?
ERP and exposure-based CBT are highly adaptable for younger patients — and at the Center, we don’t rely on a child simply being told what to do and then expected to “push through.” Many families come to us after experiences where therapy felt either too abstract (“just talk about it”) or overly mechanical, focused on pushing exposures before a child felt understood, motivated, or ready (“just face it,” “just do the scary thing”). And this has sometimes left kids overwhelmed, resistant, or discouraged. We take a different approach: one that is paced, collaborative, and designed to help young people actually learn the skills through experience.
Depending on a child’s age and needs, this may include helping them externalize anxiety or OCD (for example, giving it a name), learning to recognize familiar anxiety messages and urges, and practicing new responses through gradually increasing challenges. Exposures are designed as confidence-building learning exercises, carefully matched to the child’s developmental level, personality, and values. In this way, progress feels meaningful, motivating, and empowering (rather than simply uncomfortable).
We also partner closely with parents throughout the process. Families receive practical coaching on how to support exposure practice at home, respond to anxiety or OCD in a way that builds courage (instead of unintentionally reinforcing fear), and stay warmly connected while helping their child strengthen flexibility, confidence, and resilience over time.
To learn more, explore our child and teen anxiety, OCD, and trauma focused services.
Does ERP Work for “Pure O” OCD and Obsessive Overthinking?
Yes. Years of clinical research and experience have shown that ERP can be effective for patients whose OCD involves obsessive overthinking and those with so-called “Pure O” OCD, where obsessions, doubt, and mental rituals (such as rumination, mental checking, reassurance-seeking, reviewing memories, mental neutralizing, or compulsive planning) are the dominant features, even when outward behavioral compulsions are less visible. Overtly clear behavioral rituals, like those often depicted on television, may be present but are not always part of OCD. Learn more about these misconceptions in our blog article on the misunderstood realities of OCD.
Many people with primarily obsessional presentations have not had great experiences with “ERP” in the past — often because the treatment did not fully identify the person’s mental rituals, did not connect the work to the person’s core fears and meaning, or was delivered in a way that felt overly mechanical. At the Center, we place particular emphasis on understanding the function and meaning of obsessions, mapping the full response cycle (including mental review and rumination), and adapting exposures and response prevention with precision so patients can gradually unhook from the OCD process and reclaim their lives.
ERP for “Pure O” often focuses on:
- reducing mental checking, reviewing, analyzing, and neutralizing
- practicing willingness and uncertainty tolerance
- using imaginal or thought exposures to trigger fears without solving them
- reducing reassurance-seeking and confession cycles
Importantly, skillful ERP for obsessive presentations is not simply “stopping rumination.” It often requires a thoughtful blend of exposure-based learning, response prevention for mental rituals, and post-exposure processing so the brain can truly update fear-based beliefs.
How Long Does ERP Therapy Take?
The duration of ERP therapy varies based on individual needs. When doing weekly sessions, progress usually occurs over months but can vary from case to case. When therapy is done in an intensive format, meeting multiple times per week, progress often seems to occur more quickly. This option might be advisable in some cases but not necessarily for everyone.
Can You Do ERP Therapy on Your Own?
Yes, it is possible to undertake exposure and response prevention (ERP) therapy on your own, and there are self-help books available to guide you (see resources below). However, many individuals find that they benefit from the guidance of an expert professional or another support figure, especially in the initial stages. After completing ERP therapy with a psychologist or another qualified mental health professional, many patients are equipped to maintain and apply the therapy techniques independently, continuing their progress and managing symptoms on their own.
Where Can I Find ERP Worksheets, Exposure Therapy Resources, and Recommended Books?
If you would like to go deeper, we invite you to explore our ERP and exposure-based CBT therapy resources (Worksheets, Forms, and Books). This page includes a curated library of practical tools that many patients and families find helpful both during therapy and between sessions.
For a quick starting point, we especially recommend visiting the Downloadable Forms and Handouts section and reviewing the Exposure-Based Worksheets and our Ritual Prevention Guide. These tools are designed to help people plan exposures thoughtfully, track learning, and practice response prevention in a structured way. For readers looking for high-quality self-help materials, we also recommend exploring the book lists in the OCD section, the Specific Phobia section, and the Child Anxiety, OCD, and Related Disorders section, which include therapist-informed recommendations for adults, teens, and families.
Looking for ERP Therapy in Philadelphia or Nearby?
We provide Exposure and Response Prevention (ERP) therapy in Philadelphia (Center City / Rittenhouse Square) and often work with individuals and families from the Main Line, Lower Merion, South Philly, and nearby suburbs. We also serve patients across Pennsylvania (PA), New Jersey (NJ), and Delaware (DE) through telehealth when clinically appropriate.
Many people come to us while searching for an ERP therapist in Philadelphia, exposure therapy in Philadelphia, or specialized treatment for OCD and anxiety in PA.
Ready to Start ERP Therapy?
If you’re ready to begin, contact the Center for Anxiety, OCD, and Cognitive Behavioral Therapy today. Our clinicians specialize in ERP and exposure-based CBT delivered in a structured, personalized, learning-focused way. We help adults, teens, children, and families work through OCD (obsessions and compulsions), panic and agoraphobia-type avoidance, specific fears and phobias (including emetophobia), social anxiety, and related anxiety concerns.
If you are looking for truly specialized care, it can make a difference to work with an experienced ERP provider who understands both the science and the nuances of applying ERP in real life.
You can also explore related pages:
- OCD Therapy in Philadelphia
- Panic Disorder Therapy
- Social Anxiety Therapy in Philadelphia
- Emetophobia Treatment
- Body Dysmorphic Disorder Therapy
- Child & Teen Anxiety, OCD, and Related Disorders Treatment
Follow us on Facebook, X, Instagram, and LinkedIn for more information.
Still Have Questions About ERP Therapy?
Do I Need an OCD Diagnosis to Benefit from exposure therapy or ERP therapy?
No. ERP is certainly well known for OCD. But exposure therapy and exposure-based CBT can also help with panic disorder, agoraphobia-type avoidance, many types of specific fears and phobias, social anxiety, health anxiety patterns, and other fear-based cycles where avoidance and safety behaviors keep anxiety going.
Can ERP Help Intrusive Thoughts and “Pure O” OCD?
Yes. ERP can be very effective for OCD presentations where mental rituals (rumination, mental checking, reviewing, reassurance-seeking, and “figuring it out”) are dominant. Treatment often includes thought or imaginal exposures and response prevention for both both obvious and more subtle compulsions, including mental compulsions.
Does Exposure Therapy Work for Panic Attacks and Agoraphobia-Type Avoidance?
Yes. Exposure-based CBT is one of the most effective approaches for panic-related concerns, including fear of bodily sensations, fear of having panic in public, and avoidance of places or situations that feel hard to escape.
Can ERP Help with Phobias (Including Emetophobia)?
Yes. Exposure therapy can be highly effective for specific phobias, and ERP principles are often used to reduce avoidance and safety behaviors while building confidence and flexibility over time.
Is ERP Therapy “Just Doing Scary Things”?
No. In high-quality ERP, exposures are designed as learning exercises. The goal is not simply to tolerate anxiety, but to reduce fear-driven patterns and build a new relationship with uncertainty, urges, and discomfort, with careful review and learning-focused processing.
Can Kids and Teens Do Exposure Therapy and ERP?
Yes. ERP and exposure-based CBT can be adapted for children and adolescents using developmentally appropriate approaches, and parent involvement can be a helpful part of reinforcing learning at home.
How Long does ERP Therapy Take?
It depends. Many people make meaningful progress over months with weekly therapy, and some benefit from more intensive formats. The timeline tends to vary based on factors like the severity and complexity of symptoms, the amount of avoidance/compulsions, and the ability to practice between sessions.
Do You Offer ERP Therapy Online in Pennsylvania, New Jersey, and Delaware?
Yes. We offer telehealth services in many cases, when clinically appropriate, and we also provide in-person care in Philadelphia (Center City / Rittenhouse Square).
Center for Anxiety, OCD, and
Cognitive Behavioral Therapy, LLC
1518 Walnut Street, Suite 800
Philadelphia, PA 19102
New Inquiries: Please use Contact Form
Current Patients: 215-360-3547
(voicemail for patients only)
Follow us:
Our physical office is conveniently located in the Rittenhouse Square area of Philadelphia. The facility is easily accessible to Center City, Graduate Hospital, South Philadelphia, University City, West Philadelphia, Fairmount, Manayunk, Roxborough, East Falls, Chestnut Hill, Northern Liberties, Fishtown/Kensington, as well as the Philadelphia Main Line area (including Wayne, Villanova, Bryn Mawr, Gladwyne, Radnor, Haverford, Ardmore, Wynnewood, Narberth, Merion, Lower Merion Township), and Montgomery, Delaware, Chester, and Camden Counties.