Drug class: Central Nervous System Stimulants

Amphetamines and amphetamine-related drugs are central nervous system stimulants whose actions resemble those of adrenaline, one of the body's natural hormones.
The most important of these stimulants are the original drug, amphetamine, and its close chemical relations, methamphetamine and dextroamphetamine. Only the latter, under the trade name Dexedrine, is legally manufactured in Canada today. Everything else is synthesized in illicit "basement" laboratories.
Amphetamine was first introduced in the 1930s as a remedy for nasal congestion. Later, all three drugs were found to be effective in treating such other conditions as hyperactivity in children and narcolepsy (uncontrollable sleeping fits). Although they were also prescribed to control obesity and depression, their use for these disorders has been discontinued because patients became quickly and seriously dependent.
The amphetamines have long been taken for their stimulant and euphoric effects. When they were easily available in Canada, truck drivers, students, and athletes were among those who used them extensively to prolong their normal periods of wakefulness and endurance.
Other street names for these drugs are bennies, glass, crystal, crank, pep pills, and uppers.
Illicit amphetamine appears as crystals, chunks, and fine to coarse powders, off-white to yellow in color, and supplied loose (in plastic or foil bags) or in capsules or tablets of various sizes and colors. The drug may be sniffed, smoked, injected, or taken orally in tablet or capsule form.
Effects
The effects of any drug depend on several factors:
the amount taken at one time
the user's past drug experience
the manner in which the drug is taken
the circumstances under which the drug is taken (the place, the user's psychological and emotional stability, the presence of other people, the simultaneous use of alcohol or other drugs, etc.).
Amphetamines, like adrenaline, affect not only the brain but also the heart, lungs, and many other organs. Short-term effects appear soon after a single dose and...

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