Methamphetamine

Methamphetamine is a highly addictive drug that is categorized as a stimulant. A stimulant is a drug that cause temporary improvements in mental and/or physical functioning by increasing alertness and decreasing sleepiness. Caffeine and cocaine are also stimulants. Due to its addictive qualities Methamphetamine is rarely prescribed but in some cases it can help treat ADHD (attention deficit hyperactivity disorder) and obesity.