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The Theory of Self-Medication and Addiction

The Theory of Self-Medication and Addiction

DUNCAN ANDISON/SHUTTERSTOCK.COM© Duncan Andison/shutterstock.com
Emotion-altering actions of addictive drugsTABLE. Emotion-altering actions of addictive drugs
The Self-Medication HypothesisThe Self-Medication Hypothesis

Throughout the span of my career, I have adhered to the maxim that to understand and to feel understood is a powerful antidote to relieve human psychological suffering. Treating individuals with substance use disorders is no exception. Too frequently, people who have succumbed to drug addiction have heard dire predictions from family, friends, and clinicians of what the drugs do to them —a reaction that more often than not is unhelpful. Such reactions heighten the shame and guilt that persons with substance addiction heap upon themselves (as does society at large) and contribute to the already considerable burden of stigma.

In contrast, it is more empathic and fruitful to ask, “What did the drug do for you?” The self-medication hypothesis (SMH) of addiction is embedded in this inquiry —an inquiry that I pursue with all my patients. It is a powerful and relationship-building way to start treatment with patients. It invites exploration and understanding of the critical feelings and related issues that predispose one to use addictive drugs.

Self-medication

The self-medication hypothesis, a theory about addiction, was first published in 1985 as a cover article in the American Journal of Psychiatry.1 It focused on how and why individuals are drawn to and become dependent on heroin and cocaine. An updated version was published in the Harvard Review of Psychiatry in 1997 with application to conditions that had not been previously considered.2 The hypothesis of self-medication derives from clinical evaluation and treatment of thousands of patients (practice-based evidence) spanning 5 decades. It is a theory that has been and continues to be endorsed. It is widely and regularly cited and endorsed by clinicians and investigative scholars, as evidenced in research websites such as Research Gate, Academia.edu, and Google Scholar. In an article in the American Journal of Psychiatry, Mark S. Gold, MD,3 concluded that it was one of the most “intuitively appealing theories” about addiction.

Yet the theory has also been trivialized and dismissed. The expression “self-medication” has become a household expression that detracts from the emotional suffering and complexities of feelings that are at the root of a person’s need to self-medicate. And, it has been dismissed outright in some quarters. But, alternative theories that get at the root of understanding addiction have been few and far between. Theories are important because they help to identify the facts.

Despite the extraordinarily wide inroad of addictive drugs in our society, especially the scourge of opiate dependency and all its tragic and deadly consequences, it is bewildering and disconcerting that we have so little understanding of the reasons for drug addiction. Perhaps part of this is that the recovery culture has designated and popularized alcoholism and addictions as a “disease,” emphasizing the lasting consequences of drug effects on the brain. Neuroscientists have similarly concluded addiction is a “primary disease,” which underscores brain pathways that explain the physiological bases for addiction and relapse. As one neuroscientist said, “Addictive drugs hijack the brain.”

This perspective has stimulated breakthrough findings on underlying brain mechanisms and pathways that provide a biological explanation for addiction, but there have been few or minimal corresponding explorations of why addictive drugs have such a powerful psychological appeal or hold on individuals who succumb to addiction. The SMH provides a valuable investigative and clinical paradigm to address this challenging issue.

Whether it is in the offices of prescribing physicians or in the environs of young people exposed to or experimenting with addictive drugs, only 10% to 20% of users become addicted. It begs the question, “Why is this so?” In the pursuit of answers to this question, the SMH has provided a generation of clinicians with an effective path to help them and their patients understand why this is so, and to work out alternative solutions (Box).

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