soc 204 goldberg chapter 9 sedative-hypnotic drugs
DESCRIPTION
substance abuse, chemical dependency, sedative-hypnotic drugs, depressantsTRANSCRIPT
SOC 204 Drugs & SocietyGoldberg Chapter 9Sedative-Hypnotic Drugs
Sedative-Hypnotic Drugs (depressants)• Drugs that slow activity in the central nervous
system• Include prescription drugs• To treat anxiety: sedatives• To treat insomnia: hypnotics
• Alcohol is the most widely used depressant• Benzodiazepines are the most widely prescribed
depressants
Those who enter treatment for abuse of prescription drugs are better educated than people abusing other kinds of drugs.
A. TrueB. False
True
False
48%52%
Before Barbiturates
• Chloral hydrate 1832• Paraldehyde 1882• Bromides 1960s
Doctors are more likely to prescribe barbiturates for sleep now than they were 20 years ago.
A. TrueB. False
True
False
52%48%
Barbiturates• Veronal was introduced in 1903• Barbiturates classifications• Short-acting• Pentobarbital, secobarbital
• Intermediate-acting• Amobarbital, butabarbital
• Long-acting• Mephbarbital, phenobarbital
The nonmedical use of controlled medications by adolescents is increasing.
A. TrueB. False
True
False
7%
93%
Barbiturates, continued• Sodium Pentathol 1934• Meprobamate 1950s• Methaqualone 1965
• Great risk for physical and psychological dependence
Adolescent boys are more likely to give medications to their friends than adolescent girls.
A. TrueB. False
True
False
69%
31%
Benzodiazepines• 1960 introduced chordiazepoxide (Librium)• 1970s introduced diazepam (Valium)• Dependence and overdose can occur• Rarer than with barbiturates• More common in combination with alcohol
• Rohypnol
People who enter treatment for benzodiazepine abuse are likely to be older than people who enter treatment for abuse of other illegal drugs.
A. TrueB. False
True
False
21%
79%
Mechanisms of Action
• Benzodiazepines and barbiturates• Enhance inhibitory effects of GABA
• Non-benzodiazepine hypnotics• Selectively target the GABA-A receptor•Work better as sleep aids rather than anti-anxiety medications• Zolpidem (Ambien), zaleplon (Sonata), eszopiclone (Lunesta)
When it is used in conjunction with alcohol, the effects of Rohypnol can be fatal.
A. TrueB. False
True
False
15%
85%
Benefits Risks
• Anxiolytics• Sleeping agents• Anticonvulsants
• Dependence• Tolerance & Cross
Tolerance• Withdrawal
• Toxicity• Behavioral• Physiological
• Patterns of abuse
The highest rate of inhalant use by youths occurs among Asians.
A. TrueB. False
True
False
82%
18%
Inhalants
• High-dose exposure causes intoxication
• Examples:• Volatile solvents• Aerosols, propellants, gases• Anesthetics• Nitrites
http://www.youtube.com/watch?v=3g99h4qaCio
More people die from inhaling air fresheners than from inhaling gasoline.
A. TrueB. False
True
False
67%
33%
Nitrous oxide has been used as an anesthetic by dentists.
A. TrueB. False
True
False
4%
96%
Inhalants• Most abusers are very young• Abuse tends to occur as localized fads• Dangers:• Kidney damage• Brain damage• Peripheral nerve damage• Irritation of respiratory tract• Severe headache• Death by suffocation
Gamma Hydroxybutyric Acid• Naturally occurring chemical found in brain and
body• Similar to GABA• Causes CNS depression• Has been used as an anesthetic• Considered a date-rape drug• Along with Rohypnol and Ketamine
• GHB is listed on Schedule I
https://www.youtube.com/watch?v=LPtcU_8yvR4