Meth is a stimulant drug that can cause brief but intense euphoria and poses a high risk of addiction. Learn its effects and how to get treatment. Learn more about the short- and long-term effects associated with meth use, symptoms of meth addiction, and treatment options. 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 certain medical conditions, including attention-deficit/hyperactivity disorder (ADHD), narcolepsy, and obesity. Methamphetamine - Wikipedia. Jump to content. Main menu. move to sidebarhide. Navigation. Main page. Contents. Current events. Random article. About Wikipedia. Contact us. Contribute. Help. Learn to edit. Community portal. Recent changes. Upload file. Special pages. Search. Appearance. Donate. Create account. Log in. Personal tools. Donate. 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 altered version of the prescription drug that is cooked with over-the-counter drugs in meth labs. 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.” Methamphetamine’s short-term effects typically include feelings of euphoria and increased alertness and energy. Methamphetamine in the United States is regulated under Schedule II of the Controlled Substances Act. It is approved for pharmacological use in the treatment of attention deficit hyperactivity disorder, narcolepsy, and treatment-resistant obesity, but it is primarily used as a recreational drug. Crystal meth is the common name for crystal methamphetamine, a strong and highly addictive drug that affects the central nervous system. There is no legal use for it. Also called “ice” or. It affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control. Methamphetamine is used to treat attention deficit hyperactivity disorder (ADHD). Methamphetamine is also to treat obesity in people who have not lost weight with diets or other treatments. 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 signs and effects of meth addiction and how to find treatment if you or a loved one is struggling.