CSAT stands for Certified Sex Addiction Therapist, a credential held by mental health professionals who specialize in treating compulsive sexual behavior. When people refer to “CSAT therapy,” they mean treatment provided by one of these specialists, who complete advanced training in sexual addiction through the International Institute for Trauma and Addiction Professionals (IITAP). The therapy itself draws on addiction recovery principles, trauma work, and behavioral strategies designed to help people regain control over sexual behaviors that have become harmful to their lives and relationships.
What a CSAT Actually Is
A CSAT is not a type of therapy but a type of therapist. These are licensed mental health professionals (psychologists, counselors, social workers, marriage therapists) who pursue additional certification specifically in compulsive sexual behavior. To qualify, a clinician needs at least five years of clinical experience and must complete 30 hours of supervised work with an approved CSAT supervisor, spread across multiple training modules. The certification process is rigorous enough that the pool of CSATs remains relatively small compared to general therapists, which is why people sometimes travel or use telehealth to access one.
The distinction matters because most general therapists receive little to no training in sexual compulsivity. A CSAT has studied the specific patterns, risk factors, and relapse dynamics that come with this particular issue.
What CSAT Therapy Addresses
CSAT therapy treats sexual behavior that has become compulsive, meaning the person continues despite serious consequences to their health, career, finances, or relationships. The core features therapists look for include intense craving, a feeling of lost control, obsessive preoccupation with sexual behavior, and significant mood disturbances like anxiety or depression tied to the behavior and its aftermath.
One of the most widely used screening tools is the Sexual Addiction Screening Test (SAST-R), a 20-item questionnaire that evaluates five dimensions: mood disturbance connected to sexual behavior, relationship problems caused by it, obsessive preoccupation with it, inability to stop despite consequences, and associated features like childhood sexual abuse or family history. Traumatic sexual experiences in childhood are recognized as a significant risk factor for developing compulsive sexual patterns later in life, so assessment often includes exploring that history.
The behaviors themselves vary widely. Some people struggle with compulsive pornography use, others with serial infidelity, risky sexual encounters, or escalating patterns that conflict with their own values. What ties them together is the loss of control and the mounting harm.
What Happens in Treatment
CSAT therapy typically begins with a thorough assessment to understand the scope and pattern of the behavior, its triggers, and the underlying emotional or relational wounds driving it. From there, treatment usually involves a combination of individual therapy, group work, and structured recovery tasks.
A central early step is defining what sobriety looks like for that specific person. Unlike substance addiction, where abstinence from the substance is the goal, sexual addiction treatment requires a more nuanced approach since sexual behavior itself isn’t something most people want to eliminate entirely. Therapist and client work together to define which specific behaviors are problematic and need to stop, which are boundary behaviors that carry risk, and which are part of a healthy sexual life the person wants to build toward.
Group therapy is a common component. Sessions generally follow a structured format where a counselor introduces material, gives participants time to reflect and write responses, then opens discussion. Sharing experiences with others facing similar struggles reduces the isolation and shame that typically surround compulsive sexual behavior. Many CSATs also recommend 12-step programs or other peer support groups as an ongoing supplement to formal therapy.
The therapeutic work goes deeper than simply stopping a behavior. CSATs typically explore attachment patterns, meaning how a person learned to connect (or disconnect) in early relationships. Many people with compulsive sexual behavior developed insecure attachment styles in childhood, and sexual acting out became a way to manage emotional pain, loneliness, or anxiety. Therapy works to identify those patterns and build healthier ways of coping and connecting.
How Partners Are Supported
Discovering a partner’s compulsive sexual behavior is often deeply traumatic, and CSAT-informed treatment recognizes this explicitly. There has been a significant shift in recent years toward treating the partner’s experience as a trauma response rather than simply a relationship issue. The Association for Partners of Sex Addicts Trauma Specialists (APSATS) trains clinicians in what’s called the Multidimensional Partner Trauma Model, which focuses on helping partners process the betrayal as genuine trauma requiring its own treatment path.
This matters because partners often need support that goes well beyond couples counseling. They may experience symptoms that mirror post-traumatic stress: intrusive thoughts, hypervigilance, difficulty sleeping, emotional numbness, or intense anxiety. In many treatment settings, the partner is actually the first person to seek help, often before the person with the compulsive behavior enters therapy at all.
Treatment for partners focuses on safety, stabilization, and eventually processing the trauma so it doesn’t define the person’s future. Couples work, when appropriate, comes later and typically uses attachment-based approaches to help both people understand how past wounds affect their communication and rebuild trust through empathy, listening, and validation. Not all relationships survive this process, and that’s treated as a valid outcome rather than a failure.
How Long Recovery Takes
There is no single timeline. Initial intensive treatment often lasts several months, but most CSATs frame recovery as a long-term process that unfolds over years. Early treatment focuses on stabilizing behavior, identifying triggers, and building a support network. Deeper work on underlying trauma and attachment patterns continues well beyond the initial crisis phase.
Relapse is common and, within this framework, is treated as information rather than failure. Each relapse reveals something about what triggers remain unaddressed or what coping skills need strengthening. The goal is not perfection but a progressive shift toward healthier patterns, greater self-awareness, and more honest relationships.
How to Find a CSAT
IITAP maintains a directory of certified therapists searchable by location. Because the certification requires significant training and experience, not every area has a local CSAT, but telehealth has expanded access considerably. When evaluating a potential therapist, you can verify their CSAT credential through IITAP and ask about their specific experience with your situation, whether that’s your own compulsive behavior or a partner’s.
Some therapists who are not formally CSAT-certified still have extensive experience treating compulsive sexual behavior. The credential is one indicator of specialized training, but it’s not the only path to competence in this area. What matters most is that the therapist understands the addiction and trauma dynamics involved and doesn’t minimize the behavior or shame the person seeking help.