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Common Drugs of Abuse
Street Drugs (Illicit)
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Marijuana THC
THC (∆9-tetrahydrocannabinol) is the primary active ingredient in cannabis
(marijuana). When smoked or orally administered, THC produces euphoric
effects. Users have impaired short term memory and slowed learning.
They may also experience transient episodes of confusion and anxiety.
Long-term, heavy use may be associated with behavioral disorders.
The peak effect of marijuana administered by smoking usually occurs
in 20-30 minutes and the duration is between approximately 90-120
minutes after one cigarette. Elevated levels of urinary metabolites are
found within hours of exposure and remain detectable for between
3-10 days after smoking. The main metabolite excreted in the urine is
11-nor-∆9-tetrahydrocannabinol-9-carboxylic acid (∆9-THC-COOH).
Slang Names: Grass, Reefer, Pot, Weed,
Ganja, Cannabis, Dank, Bud, Mary Jane, Dope, Skunk, Smoke, Loco Weed ,
Hydro and Zig Zag. |
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Cocaine COC
Cocaine is a potent central nervous system (CNS) stimulant and a local
anesthetic. Initially, it usually brings about extreme energy and restlessness
while gradually resulting in tremors, over-sensitivity and spasms. In
large amounts, cocaine may cause fever, unresponsiveness, difficulty in
breathing and unconsciousness. Cocaine is often self-administered by nasal
inhalation, intravenous injection and free-base smoking. It is excreted
in the urine in a short time primarily as Benzoylecgonine. Benzoylecgonine,
a major metabolite of cocaine, has a longer biological half-life (5-8
hours) than cocaine (0.5-1.5 hours), and can generally be detected for
24-48 hours after cocaine exposure.
Slang Names: Snow, Bump, Coke , Candy,
Flake, Grank, Blow , Nose Nachos, Charlie, Hooter, Coca , Blizzard,
Race Horse , Blast, Crack, Bazooka , Big C and Yeyo. |
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Opiates OPI (Opium & Heroin)
Opium can cause euphoria, followed by a sense of well-being and a calm
drowsiness or sedation. Breathing slows, potentially to the point
of unconsciousness and death with large doses. Other effects can include
nausea, confusion and constipation. Use of opium with other substaces
that depress the central nervous system, such as alcohol, antihistamines,
barbiturates, benzodiazepines, or genral anesthetics, increases the risk
of life-threatening respiratory depression.
Heroin is a highly addictive drug derived from morphine, which is obtained
from the opium poppy.
Slang Names: Brown Sugar, Black Tar ,
Smack, China White, Courage Pill , Mud, Bomb, Chiva, Hard Candy,
Gun Powder, Horse , and Skag. |
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Amphetamine AMP (Speed)
Amphetamine is a Schedule II controlled substance available by prescription
and is also available on the illicit market. Amphetamines are a
class of potent sympathomimetic agents with therapeutic applications.
They are chemically related to the human body's natural catecholamines:
epinephrine and norepinephrine. Acute higher doses may lead to enhanced
stimulation of the central nervous system and induce euphoria, alertness,
reduced appetite, and a sense of increased energy and power. Cardiovascular
responses to Amphetamines can include increased blood pressure and cardiac
arrhythmias. More acute responses may produce anxiety, paranoia, hallucinations,
and psychotic behavior. The effects of Amphetamines generally last 2-4
hours following use and the drug has a half-life of 4-24 hours in the
body. About 30% of Amphetamines are excreted in the urine in unchanged
form, with the remainder as hydroxylated and deaminated derivatives.
Slang Names: Speed, Beans, Pep Pills,
Bennies, Gagger, Poppers, Uppers, Dexes, Black Beauties and Hyper
Pills. |
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Methamphetamine MET (Crystal)
Methamphetamine is an addictive stimulant drug that strongly activates
certain systems in the brain. Methamphetamine is closely related
chemically to amphetamine, but the central nervous system effects of Methamphetamine
are generally greater. Methamphetamine is made in illegal laboratories
and has a high potential for abuse and dependence. The drug can
be taken orally, injected, or inhaled. Acute higher doses may lead to
enhanced stimulation of the central nervous system and induce euphoria,
alertness, reduced appetite, and a sense of increased energy and power.
Cardiovascular responses to Methamphetamine can include increased blood
pressure and cardiac arrhythmias. More acute responses produce anxiety,
paranoia, hallucinations, psychotic behavior, and eventually, depression
and exhaustion. The effects of Methamphetamine generally last 2-4 hours
and the drug has a half-life of 9-24 hours in the body. Methamphetamine
is excreted in the urine as amphetamine and oxidised and deaminated derivatives.
However, 10-20% of Methamphetamine is excreted unchanged. Thus, the presence
of the parent compound in the urine indicates Methamphetamine use. Methamphetamine
is generally detectable in the urine for 3-5 days, depending on urine
pH level.
Slang Names:Meth, Crystal, Speed, Ice
and Crank. |
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Methylenedioxymethamphetamine MDMA (Ecstasy)
Methylenedioxymethamphetamine (ecstasy) is a designer drug first synthesised
in 1914 by a German drug company for the treatment of obesity.
Those who take the drug frequently report adverse effects, such as increased
muscle tension and sweating. MDMA is not clearly a stimulant, although
it has, in common with amphetamine drugs, a capacity to increase
blood pressure and heart rate. MDMA can produce some perceptual changes
in the form of increased sensitivity to light, difficulty in focusing,
and blurred vision in some users. Its mechanism of action is thought to
be via release of the neurotransmitter serotonin. MDMA may also release
dopamine, although the general opinion is that this is a secondary effect
of the drug (Nichols and Oberlender, 1990). The most pervasive effect
of MDMA, occurring in nearly all people who took a reasonable dose of
the drug, was to produce a clenching of the jaws.
Slang Names: Adam, Disco, E, XTC, X,
Beans and Love Drug. |
Prescription Drugs
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Tricyclic TCA (Antidepressants)
TCA (Tricyclic Antidepressants) are commonly used for the treatment
of depressive disorders. TCA overdoses can result in profound central
nervous system depression, cardiotoxicity and anticholinergic effects.
TCA overdose is a common cause of death from prescription drugs. TCAs
are taken orally or sometimes by injection. TCAs are metabolised in the
liver. Both TCAs and their metabolites are excreted in urine mostly in
the form of metabolites for up to ten days.
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Barbiturates BAR
Barbiturates are central nervous system depressants. They are used therapeutically
as sedatives, hypnotics, and anticonvulsants. Barbiturates are
almost always taken orally as capsules or tablets. The effects resemble
those of intoxication with alcohol. Chronic use of barbiturates leads
to tolerance and physical dependence. Short acting Barbiturates taken
at 400 mg/day for 2-3 months can produce a clinically significant degree
of physical dependence. Withdrawal symptoms experienced during periods
of drug abstinence can be severe enough to cause death. Only a small amount
(less than 5%) of most Barbiturates are excreted unaltered in the urine.
The approximate detection time limits for Barbiturates are:
- Short acting
(e.g. Secobarbital) 100 mg PO (oral) 4.5 days
- Long acting (e.g.
Phenobarbital) 400 mg PO (oral) 7 days
Slang Names: Barbs, Yellow Jackets, Pinks,
Reds,
Blues, Red Devils, Goof Balls,
Blockbusters, Goof and Christmas Trees. |
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Benzodiazepines BZO
Benzodiazepines are medications that are frequently prescribed for the
symptomatic treatment of anxiety and sleep disorders. They produce their
effects via specific receptors involving a neurochemical called gamma
aminobutyric acid (GABA). Because they are safer and more effective, Benzodiazepines
have replaced barbiturates in the treatment of both anxiety and insomnia.
Benzodiazepines are also used as sedatives before some surgical and medical
procedures, and for the treatment of seizure disorders and alcohol withdrawal.
Risk of physical dependence increases if Benzodiazepines are taken regularly
(e.g., daily) for more than a few months, especially at higher than normal
doses. Stopping abruptly can bring on such symptoms as trouble sleeping,
gastrointestinal upset, feeling unwell, loss of appetite, sweating, trembling,
weakness, anxiety and changes in perception. Only trace amounts (less
than 1%) of most Benzodiazepines are excreted unaltered in the urine.
Most of the concentration in urine is conjugated drug. The detection period
for the Benzodiazepines in the urine is 3-7 days.
Slang Names: Benzos, Downers, Tanks,
Roofie and Roach. |
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Methadone MTD
Methadone is a narcotic analgesic prescribed for the management of moderate
to severe pain and for the treatment of opiate dependence (heroin,
Vicodin, Percocet, Morphine). The pharmacology of Oral Methadone is very
different from IV Methadone. Oral Methadone is partially stored in the
liver for later use. IV Methadone acts more like heroin. Methadone is
a long acting pain reliever producing effects that last from 12-48 hours.
Ideally, Methadone frees the client from the pressures of obtaining illegal
heroin, from the dangers of injection, and from the emotional roller coaster
that most opiates produce. However, Methadone, if taken for long periods
and at large doses, can lead to a very long withdrawal period. The withdrawals
from Methadone are more prolonged and troublesome than those provoked
by heroin cessation, yet the substitution and phased removal of
methadone is an acceptable method of detoxification for patients and therapists.
Slang Names: Juice , Amidone, Green,
Fizzies and Chocolate Chip Cookies. |
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