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Hallucinogens
Although hallucinogen
use can lead to hallucinogen abuse, it is believed that for most
hallucinogenic drugs, hallucinogen addiction is actually more a
function of the tolerance experienced when used on a frequent basis,
than actual dependence on the drug. In fact there is no evidence
that LSD, the most commonly known of all hallucinogens, produces
any physical withdrawal symptoms when chronic use is stopped. Even
the tolerance developed during frequent use appears to diminish
rapidly, usually within a few short days of abstinence. This is
certainly not the case with 'dissociative drugs', such as PCP, which
are often taken for their hallucinogenic effects.
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Hallucinogens produce profound distortions
in the user's perceptions. While under the influence of a hallucinogen,
reality is perceived contrary to common sense. Images are seen and
sounds heard that simply do not exist, at least within the parameters
of our normal sense of reality. Users often describe having seen
sounds and heard colors while under the influence. Some hallucinogenic
drugs can also produce rapid, intense emotional swings.
What are Hallucinogens?
Hallucinogens disrupt the interaction of nerve cells and
the neurotransmitter serotonin. Serotonin is distributed throughout
the brain and spinal cord, and is instrumental in the control of
behavior, perception, and the regulatory systems such as mood, hunger,
body temperature, sex drive, muscle control, and sensory perception.
As
referenced to above, LSD is by far the drug most commonly identified
with the term "hallucinogen", and is also the most widely
used and abused drug of its type. When the average person thinks
hallucinogen, they think LSD or acid. The characteristics of LSD's
action and its effects are characteristic of the other hallucinogens,
including mescaline, psilocybin, and ibogaine.
What are Dissociative Drugs?
PCP (phencyclidine) and ketamine are drugs originally developed
as general anesthetics for surgery, and are referred to as dissociative
drugs. Dissociative drugs distort perceptions of sight and sound
and produce feelings of detachment, called dissociation, from the
environment and from the self. However, these mind-altering effects
are not hallucinations. Therefore, PCP and ketamine are not hallucinogens,
but rather more properly known as "dissociative anesthetics."
Dextromethorphan,
which is a widely available cough suppressant, can produce effects
similar to those of PCP and ketamine when taken in high enough doses.
Dissociative drugs
act by altering the distribution of the neurotransmitter glutamate
throughout the brain, which is involved in the perception of pain,
responses to the environment, and memory. PCP is generally what
people associate with the term 'dissociative drugs' and the documentation
on the dangers of PCP are plentiful.
Developed in the 1950's as an intravenous anesthetic, PCP, commonly
known as angel dust, is sometimes sold to unsuspecting users as
LSD, mescaline, or other hallucinogens. PCP is typically taken by
the oral ingestion of tablets or capsules containing the powdered
form, and is commonly snorted or smoked in combination with marijuana
or tobacco. PCP, as well as having hallucinogenic characteristics,
has the effects of a stimulant, an anesthetic, or a narcotic pain-killer,
depending on how much is taken. Because of its unpredictable hallucinogenic
properties, PCP episodes can vary greatly. PCP users are commonly
brought to emergency rooms around America due to its rather bizarre
and unpleasant psychological effects or because of overdose. Continued
PCP use can lead to psychological dependence (addiction), as well
as tolerance.
Use of PCP in humans was discontinued in 1965, but is still used
as a veterinary tranquilizer and is also illegally manufactured
in laboratories.
Why do people take Hallucinogens?
Hallucinogenic drugs have played an important role in the evolution
of human history. For literally thousands of years, cultures in
different parts of the world have ingested plants with hallucinogenic
properties in order to induce altered states of consciousness, states
of detachment from reality, and to precipitate "visions"
thought to provide mystical insight.
The hallucinogenic effects of these plants are cause by the chemical
compounds contained within them, such as mescaline, psilocybin,
and ibogaine. The compounds are molecularly similar to serotonin,
and produce their effects by disrupting normal functioning of the
serotonin system. Throughout history, hallucinogenic plants have
been used extensively for social and religious rituals.
Availability of these hallucinogenic plants has always been limited
by climate and soil conditions, and thus has not been readily available
to all cultures. However, after the development of LSD, hallucinogens
could be manufactured petty much anywhere. This phenomenon of modern
society, called global availability, has resulted in wide spread
hallucinogen abuse. Hallucinogen abuse became more widespread gradually,
and then in the 1960s it increased dramatically. All LSD manufactured
in this country is intended for illegal use since LSD has no accepted
medical use in the United States. Fortunately, hallucinogen abuse
does not lead to hallucinogen addiction (dependency), however, the
same can not be said about 'dissociative drugs', such as PCP, which
are often taken mistakenly as a hallucinogens and which are much
more dangerous.
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Last
Updated: 2/9/05
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