© Copyright 2011, Pearson Education, Inc. All rights reserved. Chapter 5 Narcotics: Opium, Heroin,...
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Transcript of © Copyright 2011, Pearson Education, Inc. All rights reserved. Chapter 5 Narcotics: Opium, Heroin,...
![Page 1: © Copyright 2011, Pearson Education, Inc. All rights reserved. Chapter 5 Narcotics: Opium, Heroin, and Synthetic Opiates.](https://reader030.fdocuments.us/reader030/viewer/2022032723/56649f515503460f94c7513a/html5/thumbnails/1.jpg)
© Copyright 2011, Pearson Education, Inc. All rights reserved.
Chapter 5
Narcotics:Opium, Heroin, and Synthetic Opiates
![Page 2: © Copyright 2011, Pearson Education, Inc. All rights reserved. Chapter 5 Narcotics: Opium, Heroin, and Synthetic Opiates.](https://reader030.fdocuments.us/reader030/viewer/2022032723/56649f515503460f94c7513a/html5/thumbnails/2.jpg)
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Opiates
• Opiates are a form of narcotic drug that include opium and three natural components that can be extracted from it: morphine, codeine, and thebaine.
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Figure 5.1
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Opium in History
• A drug with a very long history, opium has been used for medicinal and recreational purposes for approximately 5,000 years.
• During the nineteenth century, opium even figured in global politics as the instigating factor for the Opium War fought between China and Britain.
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Opium in History
• At the time, opium use was widespread in Britain and the United States at all levels of society.
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Morphine and theAdvent of Heroin
• The discovery of morphine in 1803 as the principal active ingredient in opium revolutionized medical treatment of pain and chronic diseases.
• At the end of the nineteenth century, heroin was introduced by the Bayer Company in Germany.
• Initially, it was believed that heroin lacked the dependence-producing properties of morphine.
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Opiates and Heroinin American Society
• The abuse potential of morphine and especially of heroin was not fully realized until the beginning of the twentieth century.
• Social and political developments in the United States after the passage of the Harrison Act in 1914 drove heroin underground, where it acquired a growing association with criminal life.
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Opiates and Heroinin American Society
• Heroin abuse became associated with African American and other minority communities in urban ghettos after World War II; later, the drug revolution and the military involvement in Vietnam during the 1960s and 1970s brought the issue of heroin abuse to a wider population.
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Effects on the Mindand the Body
• The effects of narcotic drugs such as heroin include euphoria, analgesia, gastrointestinal slowing, and respiratory depression.
• Respiratory depression is the major risk factor for heroin intake.
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How Opiates Workin the Brain
• Since the 1970s, we have known that the effects of morphine and similar drugs are the result of the activation of morphine-sensitive receptors in the brain.
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Figure 5.2
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How Opiates Workin the Brain
• Three families of chemical substances produced by the brain bind to these receptors.
• These chemicals are collectively known as endorphins.
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Patterns of Heroin Abuse
• Chronic heroin abuse is subject to tolerance effects over time.
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Table 5.1
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Patterns of Heroin Abuse
• Withdrawal effects include intense craving for heroin and physical symptoms such as diarrhea and dehydration.
• One of the major problems surrounding heroin abuse is the unpredictability in the content of a heroin dose.
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Table 5.2
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Treatment for Heroin Abuse
• Treatment for heroin abuse includes short-term detoxification and long-term interventions that address the continuing craving for the drug and physical dependence factors in the body.
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Treatment for Heroin Abuse
• Methadone-maintenance programs focus primarily on the physiological needs of the heroin abuser, whereas therapeutic communities and support groups focus on his or her long-term reintegration into society.
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Opiate Use, Misuse,and Abuse
• In medical settings, narcotic drugs have been extremely helpful in the treatment of pain, in the treatment of dysentery, and in the suppression of coughing.
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Table 5.3
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Opiate Use, Misuse,and Abuse
• Side effects of opiate-based medications include respiratory depression, intestinal spasms, and sedation.
• There has been great concern since the late 1990s that prescription pain relievers have been diverted to nonmedical purposes and are subject to abuse.
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Opiate Use, Misuse,and Abuse
• Three medications of this type are OxyContin, Vicodin, and Percocet.
• More than half of young adults who have used a prescription pain reliever for nonmedical reasons report that the drug was obtained free from a friend or relative.