August 4, 2026

Why PTSD and Substance Abuse Often Go Hand in Hand

Jessica Alomar

Jessica Alomar

Executive Clinical Director

With over 20 years of experience as a licensed therapist, I specialize in addiction recovery, trauma, anxiety, depression, and co-occurring disorders. I use evidence-based therapies, including CBT and DBT, to help individuals achieve lasting recovery.

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Experiencing trauma can leave lasting emotional and psychological effects. For some people, the symptoms of post-traumatic stress disorder (PTSD) become so overwhelming that they turn to alcohol or drugs in an attempt to cope.

This connection between PTSD and substance abuse is well documented, and understanding it is an important first step toward finding effective treatment. PTSD and substance use disorders frequently occur together, making recovery more complex when only one condition is addressed.

This article explains the relationship between substance abuse and PTSD and why integrated treatment offers the best chance for lasting recovery.

What Is PTSD?

Post-traumatic stress disorder (PTSD) is a mental health condition that can develop after experiencing or witnessing a traumatic event, such as military combat, physical or sexual assault, a serious accident, natural disasters, or other life-threatening situations.

While many people experience stress after trauma, PTSD occurs when symptoms persist for more than a month and significantly interfere with daily life.

According to the National Institute of Mental Health (NIMH), people with PTSD may experience four main groups of symptoms:

  • Intrusive memories, nightmares, or flashbacks
  • Avoidance of trauma-related thoughts, people, or places
  • Negative changes in mood, thoughts, or emotional responses
  • Increased arousal, including irritability, hypervigilance, sleep problems, or being easily startled

Not everyone who experiences trauma develops PTSD, but those who do often face challenges that affect relationships, work, physical health, and emotional well-being.

The Link Between PTSD and Substance Abuse

The connection between PTSD and substance abuse is stronger than many people realize. Research consistently shows that individuals living with PTSD are significantly more likely to develop a substance use disorder than those without PTSD.

The U.S. Department of Veterans Affairs reports that nearly half of individuals seeking treatment for PTSD also meet the criteria for a substance use disorder at some point in their lives. Studies also show that PTSD is more common among people receiving treatment for addiction than in the general population.

Rather than existing as separate conditions, PTSD and substance use often reinforce one another. Trauma-related symptoms can increase the urge to use alcohol or drugs, while ongoing substance use can make PTSD symptoms more frequent and severe.

Research also suggests that PTSD and addiction involve some of the same brain systems responsible for stress, fear, memory, and reward. Changes in these pathways may increase vulnerability to substance use after trauma, which helps explain why these conditions frequently occur together.

Why People With PTSD Turn to Drugs or Alcohol

Substance use does not cause PTSD, nor does everyone with PTSD develop an addiction. However, many people use substances as a way to manage symptoms they find difficult to cope with, a pattern often referred to as the self-medication hypothesis.

Someone experiencing PTSD may use alcohol or drugs to:

  • Reduce anxiety or panic
  • Escape intrusive memories or flashbacks
  • Help them fall asleep despite nightmares
  • Numb emotional pain or distress
  • Feel more comfortable in social situations
  • Temporarily reduce feelings of fear or hypervigilance

Although these effects may seem helpful in the short term, they are temporary. As substances wear off, PTSD symptoms often return with greater intensity, leading to repeated substance use and increasing the risk of dependence.

If trauma and substance use are occurring together, addressing only the addiction may leave the underlying PTSD untreated.

Likewise, focusing only on trauma without addressing substance use can make recovery less effective. This is why many people benefit from dual diagnosis treatment, which addresses both conditions simultaneously.

How Substance Abuse Worsens PTSD Symptoms

Although alcohol or drugs may temporarily reduce distress, they often make PTSD symptoms worse over time. Ongoing substance use can disrupt the brain’s ability to regulate emotions and process traumatic memories, leading to more frequent or severe:

  • Flashbacks and intrusive memories
  • Anxiety and panic attacks
  • Irritability or anger
  • Difficulty concentrating
  • Sleep problems and nightmares

Substance use can also interfere with therapy, healthy coping skills, and emotional regulation. As PTSD symptoms worsen, some people continue using substances for temporary relief, reinforcing the cycle between trauma and addiction.

Research published in the National Library of Medicine shows that individuals with co-occurring PTSD and substance use disorder often have poorer treatment outcomes when only one condition is addressed, underscoring the need for integrated treatment.

Commonly Misused Substances Among People With PTSD

The substances used vary from person to person, but some are more commonly associated with PTSD because they temporarily reduce anxiety or emotional distress.

People with PTSD may misuse alcohol, prescription sedatives, opioids, stimulants, or cannabis in an attempt to reduce anxiety, numb emotional distress, improve sleep, or avoid traumatic memories. Although these substances may provide temporary relief, they do not treat PTSD and can increase the risk of dependence and worsening symptoms.

When substances become a primary coping strategy, professional treatment can help address both the trauma and the substance use driving the behavior.

Signs of Co-Occurring PTSD and Substance Abuse

Recognizing both conditions early can improve treatment outcomes. Someone living with co-occurring PTSD and substance use disorder may experience:

  • Frequent alcohol or drug use to cope with trauma-related emotions
  • Flashbacks, nightmares, or intrusive memories
  • Avoiding reminders of the traumatic event
  • Increased anxiety, irritability, or emotional numbness
  • Difficulty controlling substance use despite negative consequences
  • Withdrawal from family, work, or social activities
  • Problems with sleep, concentration, or mood

These signs alone do not confirm a diagnosis. A qualified mental health professional can conduct a comprehensive evaluation to determine whether PTSD, a substance use disorder, or another condition is present.

Why Integrated Dual Diagnosis Treatment Matters

Because PTSD and substance use disorder influence one another, treating only one condition often leaves significant barriers to recovery. Integrated dual diagnosis treatment addresses both conditions at the same time through a coordinated treatment plan.

Treatment plans are individualized but may include:

  • Trauma-informed behavioral therapies
  • Individual and group counseling
  • Medication management when clinically appropriate
  • Relapse prevention planning
  • Family education and support
  • Ongoing mental health care and recovery planning

Finding Dual Diagnosis Treatment for PTSD and Addiction in New Jersey

If you or someone you care about is living with both PTSD and substance use disorder, seeking care from a provider experienced in treating co-occurring conditions can make a meaningful difference.

Programs that integrate trauma-informed mental health care with evidence-based addiction treatment help address the underlying causes of substance use rather than focusing on symptoms alone.

At Relevance Recovery, our PTSD and dual diagnosis treatment programs are designed to support individuals experiencing both trauma and substance use challenges through comprehensive, personalized care.

Conclusion

The connection between PTSD and substance abuse is complex, but it is also treatable. When trauma and addiction occur together, addressing both conditions through integrated care can improve long-term recovery and reduce the risk of relapse.

If you’re ready to take the next step, start with Relevance Recovery’s PTSD and Trauma Treatment Program, where trauma and substance use are treated together through personalized, evidence-based care. You can also verify your insurance benefits to understand your coverage and begin treatment with confidence.

Frequently Asked Questions

How common is substance abuse among people with PTSD?

Substance use issues are common among people with post-traumatic stress disorder (PTSD). According to the U.S. Department of Veterans Affairs, more than 40% of U.S. adults with PTSD also struggle with drugs or alcohol.

Can substance abuse cause PTSD?

Substance abuse does not directly cause PTSD. PTSD develops after exposure to a traumatic event. However, substance use can increase the likelihood of experiencing traumatic situations and may worsen existing PTSD symptoms.

What is the best treatment for co-occurring PTSD and addiction?

Evidence supports integrated dual diagnosis treatment, which addresses PTSD and substance use disorder simultaneously through trauma-informed therapy, addiction treatment, and individualized mental health care.

Can PTSD and addiction be treated at the same time?

Yes. Current clinical guidelines support treating both conditions together rather than waiting for one condition to resolve before addressing the other. Integrated treatment has been associated with better recovery outcomes for many individuals.

Where can I find dual diagnosis treatment in New Jersey?

If you’re looking for treatment in New Jersey, Relevance Recovery offers integrated care for individuals experiencing PTSD and substance use disorders. Starting treatment early can help address both conditions together and support long-term recovery.

Relevance Recovery extends a warm welcome to individuals seeking mental health and drug addiction treatment in Allenhurst, New Jersey. Our team of caring professionals is committed to assisting clients in regaining control of their lives and achieving sustainable recovery.

We realize the challenges posed by addiction and mental health problems, which can significantly affect various areas of an individual’s life. This is why we provide a wide array of evidence-based therapies and treatments to tackle these intricate issues and facilitate the recovery process.

In addition, we acknowledge the distinct obstacles encountered by individuals striving to conquer addiction and mental health disorders. Through our customized approach, we offer the necessary support and guidance to navigate the path toward recovery.

Should you or a family member require mental health or substance abuse treatment in Allenhurst, do not delay any further. Relevance Recovery is available to assist you in regaining control of your life and embarking on the path to long-term recovery.

We Work with Most Insurance Companies.

Relevance Recovery extends a warm welcome to individuals seeking mental health and drug addiction treatment in Allenhurst, New Jersey. Our team of caring professionals is committed to assisting clients in regaining control of their lives and achieving sustainable recovery.

We realize the challenges posed by addiction and mental health problems, which can significantly affect various areas of an individual’s life. This is why we provide a wide array of evidence-based therapies and treatments to tackle these intricate issues and facilitate the recovery process.

In addition, we acknowledge the distinct obstacles encountered by individuals striving to conquer addiction and mental health disorders. Through our customized approach, we offer the necessary support and guidance to navigate the path toward recovery.

Should you or a family member require mental health or substance abuse treatment in Allenhurst, do not delay any further. Relevance Recovery is available to assist you in regaining control of your life and embarking on the path to long-term recovery.

We Work with Most Insurance Companies.