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  1. Heroin | Definition, Effects, Abuse, & Facts | Britannica

    Jan 6, 2026 · heroin, highly addictive morphine derivative that makes up a large portion of the illicit traffic in narcotics. Heroin is made by treating morphine with acetic anhydride; the resulting …

  2. What is heroin and how is it used? | National Institute on ...

    What is heroin and how is it used? Heroin is an illegal, highly addictive drug processed from morphine, a naturally occurring substance extracted from the seed pod of certain varieties of poppy plants.

  3. Heroin: Effects, Addiction, Withdrawal Symptoms, and Treatment

    Jun 14, 2024 · Heroin is very addictive and dangerous. Learn more about the short- and long-term effects of heroin use, signs of addiction, treatment, and more.

  4. Heroin: Effects, Addiction & Treatment Options - Drugs.com

    Heroin is a highly addictive drug that produces a surge of euphoria (rush) accompanied by a warm flushing of the skin and a dry mouth. Includes Heroin side effects, interactions and toxicity.

  5. What Is Heroin? Addiction Risk, Safety, and How to Get Support

    Nov 11, 2022 · Heroin is a powerful opioid that carries a high risk of addiction. Get the details on heroin's side effects, signs of an overdose, and safety tips.

  6. Heroin Addiction And Abuse

    Jan 6, 2026 · What Is Heroin? Heroin is an illicit opioid substance that manufacturers extract from the seeds of the poppy plant. Also known as diamorphine or diacetylmorphine, heroin is classified as a …

  7. Spotting a Heroin User - National Rehab Hotline

    1 day ago · Noticing changes in someone you love? Learn the physical, behavioral and emotional signs of heroin use and how to respond thoughtfully and safely.