Common Names:
Cocaine, coke, crack, snow, amphetamines, methylphenidate, Ritalin, cylert, Dexedrine.

Moderate physical dependency,
Very high psychological dependency.

Withdrawal Symptoms:
Severe depression, prolonged sleep, apathy, irritability, disorientation.

Effects of Overdose:
Agitation, increase pulse rate, increase heart rate, loss of appetite, insomnia, increase body temperature, hallucinations, convulsions, possible death.