Crystal meth is a highly addictive, illegal stimulant drug that has a long-lasting euphoric effect.
Known informally as meth, ice, or glass, it resembles shiny “rocks” or fragments of glass of varying sizes. It is known more formally as crystal methamphetamine.
The drug is an odorless, colorless form of d-methamphetamine, a synthetic psychostimulant.
It is made in illegal labs in the United States (U.S.) and abroad, often by combining ingredients derived from over-the-counter (OTC) drugs with toxic substances.
The Drug Policy Alliance maintains that 11 million Americans, on at least one occasion, have tried methamphetamine.
Fast facts on crystal meth
Here are some key points about crystal meth. More detail is in the main article.
- It is one form of the drug methamphetamine.
- It increases dopamine production in the brain and has similar effects to cocaine.
- It is highly addictive, and long-term use can lead to verbal problems and impaired motor skills.
- Sometimes known as ice, it can be smoked in pipes, snorted, injected, swallowed, or ingested rectally.