Medical Reviewer:
Substance dependence and drug abuse are two terms that are often confused, but they differ. Substance abuse occurs when a person drinks or uses drugs recreationally, although use gets heavy at times. Dependence is when the body has adapted to the presence of the substance, affecting behavior, and causing increased tolerance and withdrawal symptoms.
This article will provide a deeper explanation so you can clearly understand substance dependence vs abuse.
Table of Contents
- Introduction
- Defining Substance Abuse
- Defining Substance Dependence
- Where They Overlap and Where They Don’t
- The DSM Shift and How It Changes Everything
- Treatment Implications
- BlueCrest Recovery Center Will Meet You Where You Are in Fighting Drug Abuse and Dependence
- FAQs
Key Takeaways
- Substance abuse and substance dependence are easily confused, but they are not the same. Abuse refers to using illicit drugs and alcohol irresponsibly, and dependence occurs when a physical addiction forms.
- While lines can be easily blurred, the DSM-5 has developed a diagnosis that rates substance abuse across the spectrum, eliminating the terms dependence and abuse.
- The spectrum helps guide treatment for medications, therapy, and detox.
Introduction
Addiction and substance abuse are often confused, but understanding the difference is important. It helps families, patients, and clinicians understand the severity of addiction and the level of care needed.
However, it bears mentioning that substance disorders can never be addressed too soon. Care should be applied the minute drug and alcohol abuse get out of control. The quicker care is administered, the easier the condition is to treat, and the less disruption caused to daily life.
Defining Substance Abuse
Substance abuse involves using illicit drugs and alcohol to the point where it may interfere with health, responsibilities, safety, and relationships. A psychological dependence may have formed, but the addiction is not physical. Here are some common examples:
- Someone who binge drinks on the weekends and misses Monday obligations
- A college student who uses stimulants to study but begins to experience other issues that interfere with sleep, mental health, and relationships
- A person who uses marijuana daily without realizing how it impacts their career and motivation
Defining Substance Dependence
Drug addiction occurs when a physical dependence forms. A person may experience:
- Increased tolerance: Needing more of the drug to feel the same effects
- Withdrawal symptoms: The body adjusts to a baseline of having drugs in its system and produces unpleasant symptoms when these substances are not active
- Changes in Behavior: The person will be unable to stop doing drugs even if they want to and recognizes the adverse consequences of their drug dependence on themselves and others
Where They Overlap and Where They Don’t
While abuse often leads to dependence, it is possible to be dependent on drugs without abusing them, and vice versa. Here are some examples:
- Prescription Use (Dependence without Abuse) A person who uses prescription drugs, such as antidepressants and pain killers, may become dependent on them. But as long as they follow the doctor’s orders, it’s not considered abuse.
- Recreational Use (Abuse without Dependence): A person can use drugs recreationally, and even go over the line with binge drinking and careless use, but they may not be physically dependent on them. However, this can quickly escalate into dependence.
The DSM-5 Shift and How It Changes Everything
It can be difficult to determine where abuse stops and dependence starts. Fortunately, the Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5) clearly lists 11 criteria that align with dependence issues. However, rather than defining dependence and abuse, they score people along the addiction spectrum.
The 11 criteria can be broken down into four categories as follows:
- Impaired Control: Taking more than intended despite efforts to cut back
- Social Impairment: Failure to meet obligations at work and at home due to persistent use
- Risky Use: The person keeps using even though they recognize that it’s harming their health and putting them in risky situations
- Pharmacological Criteria: Tolerance and withdrawal syndromes are the most clear signs of physical dependence.
Medical experts wil typically assess the individual to determine how many of the 11 criteria they meet. Then they rate the addiction as follows:
- 2-3 criteria- mild
- 4-5 criteria- moderate
- 6 or more – severe
Treatment Implications
The difference between addiction and dependence also guides treatment as follows:
- Detox: This stage is necessary in addressing dependence as it breaks the bonds of physical addiction and keeps withdrawal symptoms under control. It is typically not integrated with drug abuse.
- Medications: With dependence, medicine may be used to control withdrawal symptoms and for long-term emotional regulation and intense craving management, and is typically recommended for those who abuse alcohol and opioids and become dependent. It is not generally integrated with drug abuse as it addresses the physiological effects of drug and alcohol use.
- Setting: Treatment can come in many forms, and those with dependence issues often need more intensive outpatient care, while drug abuse can be treated with occasional therapy meetings.
- Mental Health Treatment: According to SAMHSA, in 2024, 35.4% of people with substance use issues also had a mental health disorder. Alcohol and illegal drugs are often used to self-medicate mental health conditions. Treatment typically addresses the underlying emotional issues, but when dependence forms, a dual diagnosis approach is necessary, treating both addiction and the mental condition.
- Relapse Prevention: Considering the prevalence of relapse, which, according to the National Institute of Drug Abuse, is akin to that of those treated for high blood pressure and asthma, prevention programs are unnecessary for both abuse and dependency. However, with dependency issues, the strategies should also consider the physical aspects of addiction.
BlueCrest Recovery Center Will Meet You Where You Are in Fighting Drug Abuse and Dependence
BlueCrest Recovery understands that drug issues fall within a spectrum. We customize care to our clients’ needs, considering the severity of dependence or addiction, as well as their goals and lifestyles. Our clinic offers a full continuum of care, ranging from partial care to flexible outpatient services, meeting you where you’re at and continuing to support you throughout recovery.
Contact us to learn more about what we offer.
FAQs
Does substance abuse always lead to dependence?
Not necessarily. Some people engage in substance abuse for years without developing a dependence due to a lower physiological addiction liability. However, the increased use of hard drugs increases the risk of addiction over time.
Do you have to hit rock bottom before getting treatment?
No, in fact, early intervention is shown to produce higher success rates. It is best to address addiction in the abuse stages, before it evolves into physical dependence. When caught early, addiction is easier to treat and causes less disruption to lives.
Why did the DSM stop using the terms abuse and dependence?
The DSM retired both terms in 2013 because the binary distinction was too rigid and didn’t reflect how substance use disorder presents clinically. The newer substance use diagnosis captures the full severity of addiction, from mild to severe, using 11 criteria across 4 domains.
Sources
- American Psychiatric Association / PMC. “DSM-5 Criteria for Substance Use Disorders: Recommendations and Rationale.” https://pmc.ncbi.nlm.nih.gov/articles/PMC3767415/
- PubMed / NIH. “DSM-5 Criteria for Substance Use Disorders.” https://pubmed.ncbi.nlm.nih.gov/23903334/
- NCBI Bookshelf / Facing Addiction in America. “The Neurobiology of Substance Use, Misuse, and Addiction.” https://www.ncbi.nlm.nih.gov/books/NBK424849/
- NCBI Bookshelf / StatPearls. “Neurobiology of Addiction.” https://www.ncbi.nlm.nih.gov/books/NBK597351/
- PMC / International Journal of Environmental Research and Public Health. “Improving Public Health Through Access to and Utilization of Medication-Assisted Treatment.” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3210600/
- PMC. “Dependence, Withdrawal and Rebound of CNS Drugs: An Update and Regulatory Considerations for New Drugs Development.” https://pmc.ncbi.nlm.nih.gov/articles/PMC7425303/
- PMC. “Commonalities and Differences Across Substance Use Disorders: Phenomenological and Epidemiological Aspects.” https://pmc.ncbi.nlm.nih.gov/articles/PMC5096462/
- PMC / Substance Abuse Treatment, Prevention, and Policy. “Stigma: How It Affects the Substance Use Disorder Patient.” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7385978/
- PMC. “The Incidence and Disparities in Use of Stigmatizing Language in Clinical Notes for Patients with Substance Use Disorder.” https://pmc.ncbi.nlm.nih.gov/articles/PMC10387497/
- NIDA. “Words Matter — Terms to Use and Avoid When Talking About Addiction.” https://nida.nih.gov/nidamed-medical-health-professionals/health-professions-education/words-matter-terms-to-use-avoid-when-talking-about-addiction
- NIDA. “Stigma and Discrimination.” https://nida.nih.gov/research-topics/stigma-discrimination
- SAMHSA. “Principles of Drug Addiction Treatment: A Research-Based Guide (Third Edition).” https://www.samhsa.gov/resource/ebp/principles-drug-addiction-treatment-research-based-guide-third-edition
Marissa Bergen is a health and wellness writer with over ten years of experience covering mental and physical health topics for a wide range of clients and publications. She specializes in translating complex clinical and medical information into clear, accurate, human-centered content for general audiences with a particular focus on mental health, addiction, recovery, and behavioral health.
