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SUBSTANCE
ADDICTION
NON-PRESCRIPTION
DRUGS
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Non-Prescription Drugs
are those that are obtained without
a prescription from a doctor, or which have no known
medical value.
There are three main types of non-prescription drugs that
have potential for abuse.
The first are opioid drugs such as heroin and methodone.
The second are hallucinogenic drugs such as LSD,
"magic mushrooms", and marijuana.
The third are stimulant drugs such as Ice, Ecstasy and
Cocaine which stimulate the central nervous system.
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Non-Prescription Drugs Abuse
Prolonged use leads to tolerance, which causes the user
to take larger amounts of the drug to get the some effect
or 'high.
Dependence or addiction could also develop with
prolonged use.
As a result of dependence, the drug has to be
taken regularly to prevent withdrawal symptoms developing.
Even when the drug has not been taken for a while,
people who are addicted often get cravings for the drug.
This is because their bodies have become dependent on
the drug to function normally.
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Singapore Anti-Narcotics
