
Trauma can change the way you feel, think, sleep, connect with others, and respond to the world around you. When painful memories, fear, or emotional distress feel impossible to escape, alcohol or drugs can begin to look like a source of relief.
For some people, substances temporarily quiet racing thoughts, make sleep feel easier, or create distance from memories they do not feel ready to face. That relief rarely lasts. Over time, substance use can intensify post-traumatic stress disorder symptoms and create another struggle that feels difficult to control.
Understanding the relationship between PTSD and substance abuse can help you recognize what is happening and find treatment that addresses both parts of your experience.
What Is PTSD?
Post-traumatic stress disorder, commonly called PTSD, is a mental health condition that can develop after experiencing or witnessing trauma. Trauma may involve violence, abuse, military combat, a serious accident, the sudden loss of someone you love, a medical emergency, or another event that leaves you feeling unsafe or powerless.
PTSD does not always appear immediately. Symptoms can begin shortly after an event or emerge months or years later.
Common Signs of PTSD
PTSD can affect each person differently, but symptoms often involve:
- Intrusive memories, nightmares, or flashbacks
- Avoiding people, places, or situations connected to the trauma
- Feeling constantly alert, tense, or easily startled
- Difficulty sleeping or concentrating
- Irritability, anger, guilt, or shame
- Feeling emotionally numb or disconnected
- Losing interest in relationships or activities
- Experiencing anxiety, panic, or depression
These responses are not signs of weakness. They can develop when the brain and nervous system continue responding as though danger is still present, even after the immediate threat has passed.
Why Do PTSD and Substance Abuse Often Occur Together?
PTSD and substance use disorders frequently overlap. According to the National Center for PTSD, more than four out of ten adults with PTSD also experience problems involving alcohol or drugs.
For many people living with both conditions, the symptoms of PTSD developed first. Substance use may then begin as an attempt to cope with emotional pain, unwanted memories, anxiety, or difficulty sleeping.
Using Substances to Escape Trauma Symptoms
Alcohol and drugs can create temporary changes in mood, awareness, or physical tension. Someone experiencing PTSD may use substances to:
- Fall asleep or avoid nightmares
- Quiet intrusive thoughts
- Feel comfortable around other people
- Reduce anxiety or hypervigilance
- Numb grief, anger, fear, or shame
- Avoid memories connected to the trauma
- Feel emotionally present after a period of numbness
This pattern is sometimes described as self-medication. The person is trying to manage real distress, often without having safer tools or professional support available.
As tolerance develops, more of the substance may be needed to produce the same effect. What began as an attempt to cope can gradually become dependence or addiction.
How Substance Use Can Make PTSD Symptoms Worse
Alcohol or drugs may bring short-term relief, but they can interfere with the brain’s ability to process trauma and regain a sense of safety.
Substance use can disrupt sleep, increase emotional instability, and make anxiety or depression more severe. It may also lead to withdrawal symptoms that resemble or intensify PTSD, including agitation, insomnia, sweating, rapid heartbeat, and panic.
Over time, the combination of PTSD and substance abuse can contribute to:
- More frequent or intense nightmares
- Increased avoidance and isolation
- Greater difficulty regulating emotions
- Conflict in relationships
- Problems at work or school
- Risky or impulsive behavior
- Stronger feelings of guilt or hopelessness
- Greater risk of relapse, overdose, or self-harm
These consequences can create a painful cycle. Trauma symptoms contribute to substance use, and substance use creates experiences that reinforce fear, shame, and emotional distress.
Signs That Someone May Be Living With Both Conditions
It is not always easy to separate PTSD symptoms from the effects of alcohol or drugs. Both can affect mood, sleep, concentration, memory, and relationships.
Signs that PTSD and substance abuse may be occurring together include:
- Drinking or using drugs after nightmares or flashbacks
- Needing substances to sleep, socialize, or feel calm
- Avoiding trauma reminders through intoxication
- Increasing substance use during periods of stress
- Feeling unable to discuss the trauma while sober
- Experiencing panic, anger, or depression during withdrawal
- Returning to substance use when trauma symptoms intensify
- Feeling emotionally unsafe without alcohol or drugs
A professional assessment can help clarify how trauma, mental health symptoms, and substance use are affecting one another.
Why Treating Both Conditions Together Matters
When PTSD and substance use disorder occur together, they are considered co-occurring disorders. Treating only the substance use can leave the emotional source of the behavior unresolved. Focusing only on trauma may be difficult when ongoing substance use or withdrawal continues to affect mood, memory, and stability.
Integrated treatment addresses both conditions within the same recovery plan. The goal is to help you build stability, reduce substance use, understand trauma responses, and develop ways to cope without relying on alcohol or drugs.
The Substance Abuse and Mental Health Services Administration recommends integrated care for co-occurring mental health and substance use disorders because coordinated treatment can provide better quality of care and stronger outcomes.
What Treatment for PTSD and Substance Abuse Can Include
Treatment should reflect your symptoms, substance use history, physical health, personal experiences, and current level of support.
Establishing Safety and Stability
Early treatment may focus on managing withdrawal risks, improving sleep, reducing immediate distress, and building a daily sense of stability. This foundation can make deeper therapeutic work feel safer and more manageable.
Trauma-Informed Therapy
Trauma-informed care recognizes how past experiences can affect trust, emotions, behavior, and relationships. Therapy can help you understand trauma responses without forcing you to share details before you feel ready.
Evidence-based approaches may include cognitive behavioral therapy, dialectical behavior therapy, trauma-focused therapies, individual counseling, group support, and relapse prevention.
Building New Coping Skills
Recovery involves developing practical ways to respond to triggers, cravings, anxiety, and painful memories. This may include grounding techniques, emotional regulation, creative expression, movement, mindfulness, and stronger support systems.
Healing Is Possible
Living with PTSD and substance abuse can make it feel as though you are fighting two separate battles. In reality, the conditions are often deeply connected. Addressing that connection can help you understand why certain patterns developed and begin replacing them with healthier ways to feel safe.
Lifeline Rehabilitation Center provides integrated substance abuse treatment, mental health support, and dual diagnosis care in Scottsdale. Treatment combines evidence-based therapies with compassionate support and creative expression to help you process trauma, strengthen coping skills, and move toward lasting recovery.
You do not have to wait until symptoms become unmanageable. Call (602) 610-8925 or reach out online to speak with the admissions team about your next step.

Author
Victoria Yancer
Victoria writes clear, compassionate content focused on addiction recovery, mental wellness, and treatment. She makes complex subjects easier to understand so readers can feel informed, supported, and more confident when considering their options for care.

Clinical Reviewer
Roxanne Dalpos
Licensed Professional Counselor, LPC, NCC
Roxanne is an Arizona-licensed professional counselor, nationally certified counselor, and Clinical Director. She reviews Lifeline's clinical content for accuracy, clarity, and alignment with evidence-based behavioral health care.


