Chances are you, or someone you know, has been touched by the tragedy of suicide. With suicide rates increasing at a dramatic clip, gaining a deeper understanding of the impact of substance abuse on mental health, and how it can increase the risk of suicide, is appropriate during SAMHSA’s National Prevention Week.
How Does Substance Abuse Contribute to Suicide Rates?


One of the leading risk factors for suicide is substance abuse. Addiction to alcohol or drugs often coexists with a mood disorder, such as depression, anxiety disorder, or bipolar disorder. The co-occurring disorders evolve in one of two ways: 1) with the effects of the mental health issue fueling substance abuse, or 2) with the effects of addiction causing psychological distress. Whichever way the dual diagnosis evolves, the risk for suicide is significantly increased.
Men with co-occurring alcohol use disorder and depression have the highest long-term suicide risk, at 16.2%. The prevalence of lifetime suicide attempts among individuals with co-occurring alcohol use disorder and bipolar is somewhere between 21%-42%, according to a study published in The American Journal of Psychiatry.
But the connection between substance abuse and suicide does not necessarily have to include a comorbid mental health disorder. In fact, those with alcohol dependency have a ten-times higher risk of suicide, and individuals who abuse drugs have a 14-times greater risk of suicide, regardless of the existence of a mental health disorder. This may be explained by certain personality traits and lifestyle habits that are common among people who abuse drugs and alcohol, such as impulsivity, poor judgment, and engaging in high-risk behaviors. The negative consequences of a substance use disorder, including damage to relationships, loss of employment and financial distress, health problems, and homelessness also factor in to the effects of substance abuse on suicidality.
When suicide postmortems are conducted, it is discovered that more than a third of the victims of suicide had alcohol in their bloodstream. In fact, approximately one in three were under the influence of drugs or alcohol at the time of the suicide. The chart below shows the number of individuals with various substances present in their systems after completing suicide in 2013.
Suicide Warning Signs


The warning signs include:
- Say they are a burden to others
- Talk about feeling hopeless, or have no reason to live anymore
- May be acquiring the means to commit suicide, such as buying a gun or stockpiling drugs
- Mention wanting to die, or that they are considering suicide
- Excessive sleeping or insomnia
- Isolating behaviors, withdrawing socially
- Increased use of alcohol or drugs
- Behaving recklessly
- Agitated or anxious
- Saying they feel trapped in their pain
- Mood swings
- Giving things away that have special meaning
Alcohol Abuse and Suicide


Benzodiazepine Abuse and Suicide


Opioid Abuse and Suicide


Suicide Prevention Begins with Treatment


Recognizing the presence of a co-occurring mental health issue is critical for preventing suicidal thoughts and behaviors. A high percentage of individuals who complete suicide had a history of depression and alcoholism or some other drug dependency. Dual diagnosis treatment is designed to help individuals with both a substance use disorder and a mental health disorder to overcome both disorders, thereby improving overall quality of life.
DreamLife Recovery is a residential addiction recovery program located in Donegal, Pennsylvania. Substance abuse is strongly correlated with a significant increase in suicide risk, with or without a co-occurring mental health disorder. If you or a loved one is struggling with addiction and suicidal thoughts, please reach out to our admissions team today at (844) 402-3592.
Resources:
- “Risk Factors and Warning Signs” – American Foundation for Suicide Prevention
- “Does alcohol and other drug abuse increase the risk for suicide?” – U.S. Department of Health and Human Services, Digital Communication Division, Rev. 7 May, 2008
- “Benzodiazepines May Increase Suicide Risk in Some Patients” – Tumolo, Jolynn; Psychiatry & Behavioral Health Learning Network, 17 October, 2018
- “Addressing Two Public Health Epidemics: Suicide and Opioid Addiction” – Pond, Emily; Psychiatry Advisor, 26 November, 2019
- “A Closer Look at Substance Use and Suicide” – Michael Esang, M.B.B.Ch., M.P.H., Saeed Ahmed, M.D.; The American Journal of Psychiatry: Residents’ Journal, 1 June, 2018
- Beck AT, Steer RA. Clinical predictors of eventual suicide: a 5-to 10-year prospective study of suicide attempters. J Affect Disord. 1989 Nov-Dec;17(3):203-9






