Its speed, like amphetamines
amphetamines are a class b drug in the UK currently (illegal to have, sell or give away) they are bassically "speed"
Crank. Meth. Speed. Crystal.
Some slang terms for amphetamines are bennies, uppers, whiz, lid proppers, rippers, and speed. Amphetamines are drugs that are stimulants.
Speed IS a slang name. It means amphetamines. Click the related question to find more slang.
None. I don't believe any type of prescription or illegal opiate would show amphetamines in a drug test, unless street opiates (ie heroin cut with speed possibly) would show amphetamines as speed in an amphetamine, but if it's prescription opiates in pill form there aren't any in production that will make you test positive for both opiates and amphetamines.
depends alot on location but generally its meth and a cocktail of other amphetamines
amphetamines
Speed (amphetamines and methamphetamines) produce a somewhat similar high.
As long as you have the hair you had when you did the speed.
Speed is another name for amphetamines, not for cocaine.
Amphetamines of any kind usually speed up the body. Things like Meth, Adderall, Ritalin, etc are all classified as types of Amphetamines.