Trauma-Focused Therapy for Veterans With Co-Occurring PTSD and Substance Use in San Diego

San Diego is home to one of the largest active-duty military and veteran populations in the country. That population lives with a specific clinical reality: post-traumatic stress disorder (PTSD) and substance use disorder (SUD) overlap in veterans at rates far higher than the general adult population. According to the U.S. Department of Veterans Affairs National Center for PTSD, more than 20% of veterans with PTSD also meet criteria for a substance use disorder, and combat-exposed veterans are two to four times more likely to develop SUD than veterans without combat exposure.

Treating either condition in isolation typically produces poor outcomes. This article explains how trauma-focused care for co-occurring PTSD and substance use works in a San Diego treatment setting, which therapies the research supports, and what veterans and their families should look for when evaluating a program.

Why PTSD and Substance Use Feed Each Other

The National Institute on Drug Abuse (NIDA) describes the relationship as bidirectional. Untreated PTSD symptoms — intrusive memories, hyperarousal, sleep disruption, emotional numbing — are frequently self-medicated with alcohol, cannabis, opioids, or stimulants. In turn, chronic substance use disrupts the brain circuitry that regulates fear response, which worsens PTSD symptoms during withdrawal and abstinence. Attempting to stop substance use without addressing the underlying trauma usually triggers a relapse; attempting trauma therapy without addressing active substance use blunts the emotional processing the therapy depends on.

This is the clinical rationale for integrated, concurrent treatment. Trauma-focused care that also treats substance use produces better outcomes on both measures than sequential care that treats one condition first.

The Evidence-Based Therapies Used in San Diego Dual-Diagnosis Programs

Three protocols have the strongest evidence base for co-occurring PTSD and SUD:

• Cognitive Processing Therapy (CPT) — a 12-session structured therapy that helps veterans identify and revise the beliefs that developed after traumatic events. CPT is one of the two front-line PTSD therapies endorsed by the VA and the Department of Defense.
• Prolonged Exposure (PE) Therapy — a manualized therapy that gradually and safely re-exposes the patient to trauma memories and reminders under clinician guidance, reducing avoidance and physiological reactivity.
• Seeking Safety — a present-focused therapy specifically developed for the PTSD-SUD population. It prioritizes coping skills over trauma processing in early recovery, which is often more tolerable for patients still stabilizing from active substance use.

An integrated program will typically stage these therapies: Seeking Safety during the acute recovery window, followed by CPT or PE once the patient has stable sobriety and adequate emotional regulation to tolerate direct trauma work. Our team also uses Acceptance and Commitment Therapy to support long-term sobriety, which complements trauma work by building psychological flexibility.

Medication Considerations for Veterans With Both Conditions

Prescribing decisions for veterans in dual-diagnosis treatment are more complex than for either condition alone. Benzodiazepines, sometimes prescribed for PTSD-related anxiety, are generally avoided because they interfere with trauma processing and carry a high dependency risk in a population that already has an SUD. The Substance Abuse and Mental Health Services Administration (SAMHSA) highlights SSRIs, SNRIs, and prazosin (for trauma-related nightmares) as safer options, and naltrexone or acamprosate may be used to support alcohol abstinence. Buprenorphine is used for veterans with opioid use disorder. Our team covers this in our overview of medication-assisted treatment for alcohol use disorder in San Diego.

Level of Care Decisions

Veterans entering treatment for PTSD and SUD often need medical detox first. Alcohol and benzodiazepine withdrawal require inpatient stabilization, and opioid withdrawal is safer under medical supervision. Our guide on signs that indicate medical detox is needed before rehab in San Diego outlines the specific criteria. After detox, the level-of-care decision is between residential treatment, partial hospitalization (PHP), and intensive outpatient (IOP) — each with tradeoffs for veterans who may have family, work, or VA benefits considerations. Our guide on how to choose the right IOP in San Diego covers the questions to ask.

Coordinating With VA Benefits and Community Care

Veterans in San Diego have access to both VA care and community providers through the VA MISSION Act. Coordinating a private dual-diagnosis program with VA services requires attention to referral timelines, benefit authorization, and clinical documentation that meets VA standards. Programs that regularly work with veterans typically have staff dedicated to that coordination — an important question to ask during intake.

What Family Members Should Understand

Family involvement changes outcomes in veteran dual-diagnosis treatment. Spouses and adult children often recognize PTSD symptoms the veteran has learned to hide, and their reports help clinicians tailor the treatment plan. Family therapy sessions also address the household patterns that develop around a veteran’s symptoms — from avoiding trauma triggers to accommodating substance use. Our overview on how to support a loved one in early recovery after residential rehab is written for exactly that audience.

What to Ask a San Diego Program About Trauma-Focused Care

Before enrolling, veterans and families should ask any program four questions: Which specific evidence-based trauma protocols do your therapists deliver? What is the staffing ratio for individual therapy hours per week? How do you handle co-occurring substance use during trauma processing? And what is your coordination pathway with the San Diego VA Healthcare System? A program that cannot answer those clearly is not equipped for veteran dual-diagnosis work.

Speak With Our Admissions Team

Pacific Bay Recovery is a San Diego–based treatment center providing integrated care for co-occurring PTSD and substance use disorder, including trauma-focused therapy, medication management, and coordination with VA and community providers. To speak with our admissions team about whether our program is appropriate for you or a family member who is a veteran, call 619-350-8220. All conversations are confidential and there is no obligation to enroll.