Why do drugs stop feeling pleasurable?
- By Robert Mauer
- Reviewed by: Dr. Janaka Hanvey, PhD
Drugs often stop feeling as pleasurable because the brain’s reward system becomes less responsive with repeated use. What initially produced strong positive effects may produce weaker or less consistent effects over time.
At the same time, natural rewards such as food, relationships, or daily activities may also feel less satisfying. This reflects a broader change in how the brain processes reward, where both drug-related and non-drug rewards lose impact.
As this process continues, drug use may shift from seeking pleasure to trying to regain a diminished effect or avoid discomfort, marking a transition away from initial rewarding experiences.
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Sources
National Institute on Drug Abuse (NIDA) — Drugs, Brains, and Behavior: The Science of Addiction
Government scientific overview of drug use, addiction, brain changes, tolerance, dependence, and recovery.
National Institute on Drug Abuse (NIDA) — Commonly Used Drugs Charts
Comprehensive federal reference covering major drug categories, effects, overdose risks, and health consequences.
Substance Abuse and Mental Health Services Administration (SAMHSA) — Substance Use and Mental Health
Federal information about substance use, addiction, prevention, treatment, and behavioral health.
MedlinePlus — Drugs and Young People
Government medical resource discussing drug effects, misuse, addiction risks, and substance use education.
National Institute on Drug Abuse (NIDA) — Understanding Drug Use and Addiction DrugFacts
Clear explanation of why people use drugs, how addiction develops, and how substance use affects the brain and behavior.