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Drugs and Society 3
Chapter 4
45
Science
Undergraduate 1
03/31/2010

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Term
Downers?
Definition
depress functioning of the Central Nervous System
Term
physical effects of downers
Definition
Sedation, Muscle relaxation, Drowsiness, Coma, if the dose is high enough
Term
Mental effects of downers
Definition
Disinhibition of impulses and emotions
Euphoria due to reduction of anxiety and emotional distress
Term
The three major classes of depressant drugs are:
Definition
Opiates/Opioids,Sedative-hypnotics, Alcohol
Term
Opiates are
Definition
drugs refined from raw opium..
Term
Opium is
Definition
the milky fluid of the unripe seed pod of the opium poppy (Papaver somniferum).
Term
The major opiates found in opium are:
Definition
morphine, codeine
Term
Semi-synthetic opiates are
Definition
chemical variations of morphine and codeine
Term
Opioids are fully synthetic drugs and include
Definition
methadone (Dolophine)
meperidine (Demerol)
propoxyphene (Darvon)
fentanyl (Sublimaze).
Term
The opium poppy was first cultivated in
Definition
ancient Mesopotamia, Egypt, and Greece around 3400 B.C. The plant was used as a cure-all medicine, a source of pleasure, and a poison.
Term
Oral ingestion of opium
Definition
originally was chewed, eaten, or mixed with liquids and swallowed to induce drowsiness and to cure illnesses. The bitter taste and slow onset kept the abuse potential low.
Term
Smoking of opium
Definition
In the 16th century explorers and traders introduced the pipe to Europe and Asia; and the nonmedical use of opium became wide spread, especially in China. An epidemic of abuse led to China blockading its ports from English trading ships selling opium (Opium Wars, 1839-1842 and 1856-1860). Chinese workers brought in to build railroads introduced opium smoking to the United States
Term
Refinement of morphine, codeine, and heroin
Definition
. In 1805 morphine was isolated from opium, and in 1874, chemists altered the morphine molecule to produce heroin (diacetylmorphine). Heroin is more fat soluble than morphine; which allows it to cross the blood-brain barrier quickly and cause a rapid mood change.
Term
Injection of opium
Definition
The development of the hypodermic needle (1853) made morphine's effect even more potent and more addicting
Term
Patent Medicines.
Definition
. In the 1800s, hundreds of opium-laced tonics and medicines were available. Over medication by doctors, and the popularity of opium concoctions increased addiction rates dramatically.
Term
Snorting.
Definition
. If heroin is sufficiently pure, users can get high by snorting it. Today, over half of all heroin addicts in treatment started their habit by insufflations
Term
Twentieth Century and Government Regulation
Definition
Casual nonmedical opiate use became illegal in the United States in the early 1900s.
Term
Heroin: A World View
Definition
There are 5 to 10 million heroin users worldwide, with the United States consuming only 3% of the world supply
Term
Physicians prescribe opioids to
Definition
deaden pain, control coughing, and stop diarrhea
Term
Pain. Substance P
Definition
is the neurotransmitter released by neurons in spinal cord pain pathways to signal tissue damage.
Term
Opiate/Opioid drugs are able
Definition
to bind to and activate endorphin receptors, and thus mimic our natural pain reduction system
Term
Endorphins also dampen mental pain such as
Definition
fear and anxiety, and produce a calm, detached mood
Term
Opioid drugs increase activity in the brain’s reward /pleasure pathway which can
Definition
produce a state of euphoria
Term
Cough Suppression
Definition
Opioids bind to receptors in the brain stem that control the cough reflex. Coughing due to throat and lung irritation is reduced.
Term
Control of Diarrhea
Definition
Opioid drugs reduce gastric secretions and slow contractions of smooth muscles lining the intestines so that life-threatening fluid loss is reduced
Term
Physical side effects of Opioid drugs include
Definition
Constipation
Pupil constriction
Drooping eyelids
Relaxed muscle tone
Dry, itchy skin
Vomiting
Term
Tolerance
Definition
People seeking mental effects such as euphoria, might need 10 times their original dosage, after a month of regular use
Term
Withdrawal
Definition
occurs when a person abruptly stops taking a drug after continuous, high dose use. The functions of the nervous system and other organs have changed to compensate for the effects of the drug, and reversing these changes takes time. During this period of adjustment, the person experiences unpleasant physical and mental symptoms.
Term
Opioid withdrawal symptoms include
Definition
Fever, chills, and goose bumps Intestinal cramps and diarrhea
Bone and joint pain, Muscle cramps, Insomnia And, of course, intense craving
Term
Withdrawal from short-acting drugs, like heroin and morphine, produces
Definition
the sudden onset of severe symptoms which begin 8 to 10 hours after the last dose and peak within 48 hours.
Term
Neonatal effects
Definition
Heroin easily crosses the placental barrier, so the fetus is exposed to the same blood levels as the mother.
Term
Some of the symptoms of opioid overdose include:
Definition
Blue lips and pale or bluish skin
Slow shallow breaths with fluid rattles or gasps
Very constricted pupils that look like pin pricks
Skin feels cold and clammy
Term
From 50% to 90% of needle using heroin addicts carry
Definition
hepatitis C
Term
Over half of IV drug users carry HIV which can
Definition
spread to their sexual partners
Term
Cost of opioids
Definition
A majority (79%) of heroin users has full-time jobs but a habit can grow from $20 to $200 dollars a day. t is estimated that 60% of the cost is covered by prostitution and drug dealing and 40% by shoplifting and burglary.
Term
Largest sources of illegal opium and heroin are
Definition
Afghanistan and the Golden Triangle (Burma, Northern Thailand and Laos). India is the largest grower of opium for legal medical purposes.
Term
Types of heroin include
Definition
"China White" and “Persian brown". Since the 40's, Mexico has been largest supplier to U.S. of “black tar" heroin which is often smoked
Term
Codeine
Definition
is not as strong as morphine, and generally used for relief of moderate pain or to control coughs.
Term
Morphine
Definition
is refined from opium and is the standard for pain relief measurement.
Term
Methadone (Dolophine)
Definition
A long-lasting opioid which is taken orally to reduce heroin craving and reduce withdrawal symptoms.
Term
Hydromorphone (Dilaudid)
Definition
A semi-synthetic opioid refined from morphine. It is 8 times more potent than morphine
Term
Oxycodone (Persian)
Definition
An older oral pain reliever.
Term
Hydrocodone (Vicodin
Definition
Today it is the most abused oral pain reliever
Term
Meperidine (Demerol)
Definition
A short-acting opioid, usually injected
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