Other names include uppers, ups, wake ups, dexies, black beauties or jollies. The effect of them is to stimulate the activity of certain chemicals in the brain and are classed as a stimulant drug. Amphetamines bought on the streets can be supplied as usually a white or yellow powder, or as tablets or in a liquid capsule form.
Amphetamines are expensive, and can lead to financial problems.
Amphetamines can be swallowed, injected, smoked or snorted. In NSW, it is illegal to possess, manufacture, supply, import or trade amphetamines. Use of any drug can damage your health. Street speed is often of a very poor quality, and a 'dirty' hit can make users quite sick. Of course the effects of speed will vary from person to person depending on mood, physical size, personality, gender, the way they use it, quality of the drug and previous history of use.