Trauma and addiction are closely connected for many people. Difficult or distressing experiences can influence how someone manages emotions, responds to stress, and develops coping habits. In some cases, alcohol or drugs become a way to temporarily escape uncomfortable feelings or memories.
Research shows that people who experience trauma, particularly during childhood, have a higher risk of developing substance use problems later in life. However, not everyone who experiences trauma develops an addiction, and not everyone with an addiction has a history of trauma.
Understanding this connection can help explain why substance use sometimes becomes more than a habit and why addressing emotional experiences may be an important part of addiction recovery.
What Is Trauma?
Trauma refers to the emotional and psychological effects of experiencing or witnessing events that feel deeply distressing or threatening.
These experiences may include childhood abuse, neglect, domestic violence, serious accidents, the sudden loss of someone close, or other situations that affect a person's sense of security.
Trauma does not always come from a single event. Some people experience repeated difficulties over time, particularly during childhood or within relationships.
People respond to these experiences differently. Some recover without lasting difficulties, while others continue to experience anxiety, fear, unwanted memories, or changes in how they view themselves and the world.
The Substance Abuse and Mental Health Services Administration (SAMHSA) explains that trauma can affect emotional, physical, social, and mental well-being.
How Can Trauma Contribute to Addiction?
One possible connection between trauma and addiction involves the way people cope with difficult emotions.
Someone who experiences trauma may develop anxiety, sadness, fear, or other uncomfortable feelings. If these emotions are difficult to manage, alcohol or drugs may seem to offer temporary relief.
For example, a person who experienced childhood abuse might struggle with anxiety or painful memories as an adult. Drinking alcohol may initially make those feelings less noticeable.
Over time, the person may begin using alcohol more frequently whenever similar feelings arise.
This pattern is sometimes called self-medication, meaning the use of substances to manage emotional or psychological discomfort.
Although substances may provide short-term relief, repeated use can contribute to dependence and make it harder to develop other ways of coping.
The U.S. Department of Veterans Affairs recognizes that some people use alcohol or drugs to manage symptoms associated with post-traumatic stress disorder (PTSD).
However, self-medication is only one possible explanation. Addiction involves several interacting factors, including genetics, environmental influences, social experiences, and changes associated with repeated substance use.
Why Is Childhood Trauma Particularly Important?
Childhood experiences can influence emotional development, relationships, and the ways people learn to respond to stress.
During childhood, people are developing their understanding of themselves and the world around them. Experiences involving abuse, neglect, violence, or instability may affect that development.
Researchers often use the term adverse childhood experiences (ACEs) to describe potentially traumatic experiences that occur before age 18.
These may include:
Physical, emotional, or sexual abuse
Neglect
Witnessing violence at home
Growing up with family members experiencing substance use problems
Household instability or other stressful family circumstances
The Centers for Disease Control and Prevention (CDC) explains that adverse childhood experiences can affect health and well-being well into adulthood.
Research has found that people exposed to multiple adverse childhood experiences are more likely to experience substance use problems later in life.
This does not mean that childhood trauma determines someone's future. Supportive relationships, access to care, personal circumstances, and other protective factors can make a meaningful difference.
How Does Trauma Affect Emotional Regulation?
Emotional regulation refers to the ability to recognize, understand, and manage emotional responses.
Traumatic experiences can sometimes make certain emotions more difficult to manage. A person may become particularly sensitive to stress, experience strong reactions to reminders of past events, or find it difficult to feel calm in certain situations.
For example, someone who grew up in an unpredictable home environment may continue to feel anxious during disagreements or stressful situations.
If alcohol or drugs have previously helped reduce these uncomfortable feelings, the person may develop a habit of turning to substances during similar experiences.
Over time, emotional distress and substance use can become closely connected.
This helps explain why addiction treatment sometimes involves more than changing substance use behaviors. Learning to manage emotional responses and addressing distressing experiences may also be important parts of recovery.
Can Addiction Make Trauma-Related Difficulties Worse?
The relationship between trauma and addiction can work in both directions.
While trauma may increase the likelihood of substance use problems, addiction can also create circumstances that contribute to additional stress or traumatic experiences.
For example, ongoing substance use may affect relationships, financial stability, physical health, or personal responsibilities. These difficulties can increase emotional distress.
Substance use may also place someone in situations where they are more likely to experience accidents, violence, or other harmful events.
This can create a cycle in which emotional distress contributes to substance use, while the consequences of substance use create additional distress.
According to the U.S. Department of Veterans Affairs, substance use and PTSD frequently occur together, and each can complicate the experience of the other.
Recognizing this two-way relationship can help explain why addressing both concerns may be useful.
Does Everyone With Addiction Have a History of Trauma?
No. Although trauma is an important risk factor, it is not the cause of every addiction.
Substance use disorders can develop through several different pathways.
Some people begin using substances socially and gradually develop dependence. Others may be influenced by genetic vulnerability, repeated exposure to substances, environmental pressures, or changes in the brain associated with ongoing use.
Similarly, many people who experience trauma never develop substance use problems.
A history of trauma increases risk in some circumstances, but it does not make addiction inevitable.
This distinction matters because addiction treatment is most useful when it considers the individual's experiences rather than assuming that everyone has the same underlying difficulties.
What Does Research Say About the Relationship Between Trauma and Addiction?
Research consistently identifies an association between traumatic experiences and substance use disorders.
A large national study discussed by the U.S. Department of Veterans Affairs found that 44.6% of people with lifetime PTSD also met the criteria for an alcohol or other substance use disorder at some point in their lives. This demonstrates how frequently the two conditions can occur together.
Research also indicates that childhood adversity is associated with an increased risk of substance use disorders.
A 2025 report from the National Governors Association reviewed evidence connecting childhood trauma, stress, and later substance use problems. The report describes how adverse experiences may influence emotional development, coping behaviors, and vulnerability to addiction.
These findings demonstrate a meaningful relationship between trauma and addiction, but they do not establish that trauma directly causes addiction in every individual.
Other biological, psychological, and social factors also contribute to whether a substance use disorder develops.
Why Is Understanding Trauma Important in Addiction Recovery?
When trauma contributes to substance use, addressing only the substance use behavior may leave important emotional difficulties unresolved.
For example, someone might successfully reduce alcohol consumption but continue experiencing anxiety, distressing memories, or feelings of shame connected to earlier experiences.
These feelings may still influence their desire to drink, particularly during stressful periods.
Understanding the role of trauma can help people recognize emotional patterns that contribute to substance use.
It may also help identify treatment approaches that address both addiction and the experiences associated with it.
The U.S. Department of Veterans Affairs explains that people experiencing both PTSD and substance use disorders can benefit from treatment addressing both conditions. One does not necessarily need to be fully resolved before the other is treated.
How Can Trauma-Focused Therapies Help?
Trauma-focused therapies are designed to help people process distressing experiences and reduce the emotional difficulties associated with them.
One commonly used approach is Eye Movement Desensitization and Reprocessing (EMDR).
EMDR is a structured form of psychotherapy that helps people process distressing memories through a series of steps that may include bilateral stimulation, such as guided side-to-side eye movements.
EMDR has particularly strong research support for PTSD and is also commonly used for anxiety, depression, grief, addiction, and other emotional concerns.
For someone whose substance use is connected to past trauma, EMDR may help address the memories, negative beliefs, and emotional reactions contributing to that connection.
For example, a person who uses alcohol to manage feelings associated with childhood neglect may benefit from processing those experiences and developing a different emotional response to them.
Research supports trauma-focused treatments for people experiencing both PTSD and substance use disorders. However, improvements in trauma-related symptoms do not automatically mean that addiction itself has been resolved.
EMDR may be one component of a broader approach that also addresses substance use patterns, physical dependence, and recovery goals.
Can Trauma and Addiction Be Treated at the Same Time?
Yes. Trauma-related difficulties and addiction can be addressed together.
In the past, some treatment approaches focused on achieving a period of abstinence before beginning trauma-focused therapy.
Research and clinical guidance now support providing appropriate treatment for both concerns without automatically requiring one to be completed first.
Treatment may include addiction counseling, medication, trauma-focused therapy, behavioral approaches, and recovery support.
A review of research discussed by the U.S. Department of Veterans Affairs found that integrated trauma-focused approaches can improve PTSD outcomes and, in some circumstances, substance use outcomes when compared with usual care.
The most suitable combination depends on the person's experiences, substance use patterns, and treatment goals.
Is Recovery Possible When Trauma and Addiction Are Connected?
Yes. People can make meaningful progress in recovering from both trauma-related difficulties and addiction.
Recovery does not necessarily involve resolving every past experience. Instead, it may involve reducing emotional distress, developing more helpful coping strategies, changing substance use patterns, and building greater stability in everyday life.
For some people, understanding the connection between their past experiences and current behaviors can be an important part of that process.
Others may find that addressing addiction directly is their main priority, with trauma-related concerns becoming relevant later.
There is no single recovery experience that applies to everyone.
What matters is recognizing that both trauma-related difficulties and substance use problems can respond to appropriate treatment and support.
The Bottom Line
Trauma and addiction are connected in several ways. Distressing experiences can influence emotional regulation, coping behaviors, and vulnerability to substance use problems.
At the same time, addiction can contribute to additional stress and difficulties that affect emotional well-being.
Research shows that people with trauma histories, particularly those involving adverse childhood experiences or PTSD, have an increased likelihood of developing substance use disorders.
However, trauma is not the cause of every addiction, and experiencing trauma does not mean someone will develop substance use problems.
Understanding this relationship helps explain why addiction recovery may involve addressing both substance use and the emotional experiences connected to it.
Approaches such as EMDR, other trauma-focused therapies, and established addiction treatments can help people work toward recovery based on their individual needs and experiences.
References
1. Substance Abuse and Mental Health Services Administration (SAMHSA). Interagency Task Force on Trauma-Informed Care. https://www.samhsa.gov/mental-health/trauma-violence/trauma-informed-care
2. Centers for Disease Control and Prevention (CDC). (2026). About Adverse Childhood Experiences. https://www.cdc.gov/aces/about/
3. U.S. Department of Veterans Affairs, National Center for PTSD. Substance Use and PTSD. https://www.ptsd.va.gov/understand/related/substance_misuse.asp
4. Norman, S., Hicks, T., Klein, A., & Hamblen, J. U.S. Department of Veterans Affairs, National Center for PTSD. Treatment of Co-Occurring PTSD and Substance Use Disorder in VA. https://www.ptsd.va.gov/professional/treat/cooccurring/tx_sud_va.asp
5. National Governors Association. (2025). Addressing the Link Between Trauma and Addiction. https://www.nga.org/publications/addressing-the-link-between-trauma-and-addiction/
6. Substance Abuse and Mental Health Services Administration (SAMHSA). Trauma-Informed Care in Behavioral Health Services (Treatment Improvement Protocol 57). https://www.samhsa.gov/resource/dbhis/tip-57-trauma-informed-care-behavioral-health-services
