November '96 Methamphetamine is a synthetic amphetamine or stimulant which increases activity in the central nervous system. The drug resembles a fine coarse powder, chunks or crystal. Commonly known as speed, it can be snorted, swallowed, injected or smoked. Gay men frequently call methamphetamine crystal.
Crank refers to any form of methamphetamine, and ice is a crystallized smokable form.
Crystal can be extremely habit forming, stimulating the central nervous system from 8 to 24 hours. It typically has a purer quality than cocaine, its effects last longer and it s cheaper. Because tissue tolerance of crystal can develop quickly, problem users may quickly increase the amount of drug used. Crystal can cause a severe crash or psychological low feeling after the drug wears off. This can be compounded by dehydration and malnutrition.