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  1. Methamphetamine - Wikipedia

    The highest prevalence of illegal methamphetamine use occurs in parts of Asia and Oceania, and in the United States, where racemic methamphetamine and dextromethamphetamine are classified as …

  2. Methamphetamine | National Institute on Drug Abuse (NIDA)

    Nov 20, 2024 · Methamphetamine is a lab-made (synthetic) stimulant with high addiction potential. When sold as shiny bluish-white rocks or crystals, it may be called “crystal meth,” “Tina,” or “ice.” …

  3. Methamphetamine Uses, Side Effects, Warnings - Drugs.com

    Methamphetamine is used to treat attention deficit hyperactivity disorder (ADHD) and obesity. Learn about side effects, interactions and indications.

  4. Methamphetamine - DEA.gov

    Stimulant that speeds up body’s system that comes as pill or powder. Available in prescription as Desoxyn® to treat obesity and ADHD. Crystal meth resembles glass fragments and is an illegally …

  5. Crystal Meth: Signs of Use and Addiction - WebMD

    Oct 14, 2025 · Methamphetamine, or meth, is a stimulant drug that speeds up your body’s central nervous system. It boosts dopamine, which is a brain chemical that plays a part in movement and …

  6. Methamphetamine | Definition, Physiological Effects, Crystal Meth ...

    Jan 6, 2026 · methamphetamine, potent and addictive synthetic stimulant drug that affects the central nervous system (the spinal cord and brain). Methamphetamine is prescribed for the treatment of …

  7. Methamphetamine - MedlinePlus

    Oct 12, 2024 · Methamphetamine (also known as meth or crystal meth) is a very addictive drug. Read about the signs of meth addiction and health problems it causes.

  8. Methamphetamine Use and Addiction: Signs, Effects, and Treatment

    Aug 21, 2025 · Methamphetamine, commonly referred to as meth, is a highly addictive substance that produces stimulant effects. 1 This article will provide more information about meth, including the …

  9. Fact Sheet: Methamphetamine | USU

    Methamphetamine is a highly addictive stimulant that dramatically increases dopamine levels, leading to intense euphoria, rapid dependence, and severe health risks, including heart problems, psychosis, …

  10. What Is Methamphetamine Use Disorder? - JAMA Network

    Nov 26, 2025 · Methamphetamine (sometimes called meth, ice, speed, or crystal) is a highly addictive stimulant. Illicitly manufactured methamphetamine is usually smoked but may be taken by injection, …