---
title: "Drug Addiction in Abnormal Psychology"
description: "Drug addiction is a chronic disorder of compulsive drug use despite harm, shaped by brain changes, stress, and dependence in Abnormal Psychology."
canonical: "https://fiveable.me/abnormal-psychology/key-terms/drug-addiction"
type: "key-term"
subject: "Abnormal Psychology"
unit: "Unit 9"
---

# Drug Addiction in Abnormal Psychology

## Definition

Drug addiction in Abnormal Psychology is a chronic disorder marked by compulsive drug-seeking and use despite harmful consequences. It often includes dependence, withdrawal, and relapse.

## What It Is

Drug addiction in Abnormal Psychology is a chronic condition where a person keeps using a drug even when it damages health, relationships, school, or work. The pattern is not just “bad choices.” It is a disorder that changes behavior, motivation, and self-control over time.

A big part of addiction is compulsive use. The person may want to stop, cut down, or control use, but the urge to keep using keeps winning out. That happens partly because the drug starts to shape the brain’s reward system, so the person gets less pleasure from everyday activities and more pull from the substance itself.

Addiction often includes physical dependence, psychological dependence, or both. Physical dependence shows up when the body adapts to the drug and reacts when it is removed. Psychological dependence shows up as cravings, preoccupation, or the feeling that the drug is needed to cope, relax, focus, or feel normal.

In Abnormal Psychology, drug addiction is usually discussed as part of Substance Use Disorder rather than as a simple moral failure. The course looks at how biology, learning, stress, trauma, peer influence, and mental health symptoms can interact. For example, someone with high stress and easy access to drugs may start using for relief, then keep using because the short-term payoff becomes stronger than the long-term costs.

Relapse matters here too. Recovery is often not a straight line, because triggers like stress, certain places, or social circles can reactivate cravings. That is why treatment usually combines behavioral therapy, counseling, support groups, and sometimes medication, instead of relying on willpower alone.

## Why It Matters

Drug addiction is one of the clearest examples of how Abnormal Psychology connects behavior to brain function, environment, and emotion at the same time. It gives you a way to explain why a person can know a drug is harming them and still keep using it.

This term also helps you separate addiction from other ideas that sound similar. A person can use a substance heavily without meeting the pattern of compulsive use and major life disruption. On the other hand, someone with addiction may keep using even after serious consequences, which is what makes the disorder different from casual or experimental use.

It also ties into co-occurring disorders. Many people with addiction also have depression, anxiety, trauma-related symptoms, or other mental health concerns, and the substance use can make those symptoms harder to manage. That overlap is a common theme in abnormal psychology because diagnosis and treatment often have to address both problems together.

When you study case examples, addiction is often the disorder that shows how reward, coping, and relapse interact over time. It is one of the best terms for practicing cause-and-effect thinking in the course.

## Connections

### Substance Use Disorder

Drug addiction is often discussed under the broader diagnosis of Substance Use Disorder. That broader label covers patterns like loss of control, craving, continued use despite harm, and impairment in daily life. In a case description, you often look for those signs before deciding whether the behavior is a one-time problem or a disorder.

### [Withdrawal Symptoms](/abnormal-psychology/key-terms/withdrawal-symptoms)

Withdrawal symptoms are what show up when someone stops or cuts back after repeated use. They can be physical, emotional, or both, depending on the substance. In addiction, withdrawal can make quitting feel unbearable, which is one reason relapse is so common early in recovery.

### Tolerance

Tolerance happens when the same amount of a drug no longer produces the same effect, so the person may need more to get the desired result. That pattern can push use upward and raise risk. Tolerance does not always mean addiction by itself, but it is a common part of the story.

### [Emotion Regulation](/abnormal-psychology/key-terms/emotion-regulation)

Many people use drugs to change how they feel, especially when they do not have other coping tools. That makes emotion regulation a major background issue in addiction. In Abnormal Psychology, you may see addiction linked to stress relief, numbness, anxiety reduction, or escape from painful emotions.

## On the AP Exam

A quiz question might give you a brief case and ask whether the person’s behavior fits drug addiction or just heavy use. You would look for compulsion, harmful consequences, loss of control, tolerance, withdrawal, and continued use despite problems. If an essay prompt asks why relapse happens, you can explain triggers, craving, brain reward changes, and stress. In class discussions or written case analyses, this term often shows up when you trace how a drug starts as coping and turns into a disorder that affects daily functioning.

## Drug Addiction vs Drug Abuse

Drug abuse usually refers to harmful or risky use of a substance, but addiction adds a stronger pattern of compulsive use, dependence, and loss of control. In other words, abuse can describe damaging use, while addiction describes the more entrenched disorder. A person can abuse a drug without meeting every feature of addiction, though the two often overlap.

## Key Takeaways

- Drug addiction is a chronic disorder marked by compulsive use despite harmful consequences.
- In Abnormal Psychology, it is explained through biology, learning, stress, trauma, and social context, not just choice.
- Tolerance and withdrawal often show that the body has adapted to the drug and the person is stuck in a cycle of use.
- Relapse is common, so treatment usually needs ongoing support rather than a one-time fix.
- The term is useful for spotting when substance use has become a mental health disorder that disrupts daily life.

## FAQs

### What is drug addiction in Abnormal Psychology?

Drug addiction in Abnormal Psychology is a chronic disorder where a person keeps using a drug despite serious harm. It usually involves compulsive drug seeking, cravings, and difficulty stopping even when the person wants to quit.

### How is drug addiction different from drug abuse?

Drug abuse refers to harmful or risky use of a substance, while addiction usually means the pattern has become more compulsive and hard to control. Addiction often includes dependence, withdrawal, and repeated failure to cut down. Abuse and addiction can overlap, but they are not exactly the same.

### What causes drug addiction?

Drug addiction usually develops from a mix of biological, psychological, and environmental factors. Brain reward changes, stress, trauma, peer influence, and mental health symptoms can all increase risk. That is why Abnormal Psychology treats it as a complex disorder rather than a single-cause problem.

### Can someone recover from drug addiction?

Yes, but recovery often takes time and support. Treatment may include behavioral therapy, counseling, support groups, and sometimes medication, depending on the substance and the person’s needs. Relapse can happen, so recovery is usually managed as an ongoing process.

## Related Study Guides

- [9.2 Non-Suicidal Self-Injury](/abnormal-psychology/unit-9/non-suicidal-self-injury/study-guide/fOcFmlm5Z2wvHx5l)

## About This Document

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