Methamphetamine is a dangerous synthetic drug that is highly addictive, often after just one use. This drug is illegal in most forms, such as powder and crystal, and is only legal in tablet or capsule when authorized by use of a prescription for certain medical conditions. Meth use changes a person, both physically and mentally, and often causes permanent damage to many of the body’s systems. It has stimulant effects on the central nervous system. It is often referred to as a