Understanding the Connection Between Self-Harm and Addiction

Trigger warning: This post discusses self-harm and may be unsuitable for sensitive readers. If you are in crisis, please call 988.

March is Self-Harm Awareness Month, and Coastal Detox of Southern California is joining the effort to raise awareness about the important connection between mental health, self-injury, and addiction. Self-harm is a complex issue that is too often overlooked in the addiction treatment setting. 

Self-harm is not merely a cry for attention; it is a serious mental health crisis, and for many, it becomes inextricably linked to the cycle of addiction. Patients experiencing self-harm require integrated, dual-diagnosis care that comprehensively addresses the root cause of their drug or alcohol use alongside the co-occurring mental health disorders that perpetuate and reinforce cycles of addictive behavior. 

If you or a loved one are struggling to overcome the cycle of self-harm and substance use, Coastal Detox is here to help. Call our admissions team today, we are available 24/7 for same-day admissions into our residential San Diego facility. 

What is Self-Harm (NSSI)?

Non-Suicidal Self-Injury (NSSI), commonly referred to as self-harm, is the deliberate infliction of pain or damage to one’s own body tissue without suicidal intent. This behavior serves as a maladaptive coping mechanism to manage intense, overwhelming negative emotions. It is often a desperate attempt to find relief from emotional numbness, distress, guilt, or anxiety — paralleling the reasons many people turn to excessive drug and/or alcohol use. 

Common Forms of NSSI include:

• Cutting or scratching the skin
• Burning or branding
• Head-banging or hitting
• Interfering with wound healing
• Ingesting harmful substances (not to cause death)

It is crucial to understand that while NSSI is not an attempt to die, it significantly increases the long-term risk of suicide attempts.

Self-Harm and Substance Abuse

The connection between self-harm and addiction is bidirectional and complex, rooted in the shared goal of emotional regulation and avoidance. Research consistently highlights a high comorbidity rate: people who engage in self-harm are statistically much more likely to develop a substance use disorder, and those struggling with addiction often report a history of NSSI.

Increasingly, self-harm is described as a form of behavioral addiction itself among scientists and clinicians. Research consistently tracks similar behaviors among those with NSSI as are used to diagnose substance use disorder, particularly the compulsive repetition of the behavior, obsessive thinking about the behavior, and the inability to stop despite wanting to or negative consequences. 

Self-Medication and Emotional Numbing

For many people, both self-harm and substance abuse begin as methods of “self-medication.”

• Self-Harm as Emotional Release: The physical pain temporarily overrides or distracts from the deeper emotional pain, creating a brief, immediate sense of relief or control.
• Substances as Numbing Agents: Alcohol or drugs are used to numb overwhelming feelings, quiet intrusive thoughts, or escape reality.

Over time, the brain begins to rely on these external methods—the rush of endorphins from self-injury or the chemical effects of a substance—to cope, leading to a compulsive cycle.

Shared Underlying Risk Factors

Many conditions that predispose a person to self-harm often overlap with those leading to addiction. These shared risk factors include:

• Co-occurring mental health disorders, especially anxiety, depression, post-traumatic stress disorder (PTSD), and borderline personality disorder (BPD).
• Personal history of trauma or abuse.
• Poor coping skills, or the inability to tolerate discomfort or delay gratification.
• Genetic predisposition to mental health issues through family history. 

Cycle of Shame and Escalation

Engaging in either self-harm or substance abuse often leads to intense feelings of shame, guilt, and isolation. This distress then fuels the need to cope, creating a vicious cycle.

As tolerance to a substance grows, or the relief from self-harm lessens, individuals often escalate the intensity or frequency of both behaviors, placing them at increasingly high risk.

Recovery is Possible: Integrated Treatment at Coastal Detox

For effective and lasting recovery, it is essential to treat self-harm and substance use disorders concurrently, addressing the core underlying emotional issues that drive both behaviors.

Comprehensive Treatment Approaches:

1. Dual Diagnosis Treatment: Our programs are specifically designed to treat co-occurring mental health disorders (the drivers of self-harm) alongside the substance use disorder.
2. Dialectical Behavior Therapy (DBT): DBT is highly effective for individuals with histories of NSSI and addiction. It focuses on teaching essential skills in four key areas:
   • Mindfulness
   • Distress Tolerance (crucial for replacing self-harm/substance use)
   • Emotion Regulation
   • Interpersonal Effectiveness
3. Trauma-Informed Care: Recognizing that trauma is a major driver of both issues, our approach ensures that all care is delivered in a safe, collaborative, and non-re-traumatizing environment.
4. Cognitive Behavioral Therapy (CBT): Helps clients identify triggers, challenge destructive thought patterns, and develop healthy, adaptive coping responses.

This Self-Harm Awareness Month, if you or a loved one are struggling with self-harm and addiction, please know that hope and help are available. Reaching out is the first, brave step toward healing and learning to manage life’s emotional storms without turning inward or toward a substance.

Need Help Now?

• Crisis Text Line: Text HOME to 741741
• National Suicide Prevention Lifeline: Call or text 988
• Coastal Detox Admissions: 858-333-7396