UNIT 12: DRUG OF ABUSE AND SUBSTANCE OF ABUSE Flashcards
drugs and substances that are actually
used not of their medical purpose
Drugs of Abuse
“compulsive seeking” of the use
of a drug
Addiction
the term used when the purpose for which drugs are used are not approved by the FDA
“off the label”
the body needs
the drug for it to function
Physical (Dependence)
there would be an increasing concentration for an
individual to achieve the desired effect
Tolerance (Dependence)
negative consequences caused by abrupt termination of the effects of drugs
Withdrawal Syndrome (Dependence)
drugs that do not alter perception
Non-psychoactive drugs
Reduction of concentration
Shorter duration of action
Pharmacokinetic Tolerance
Recruitment of Adaptor Protein (β-arrestin)
Desensitization
Receptor internalization
Pharmacodynamic Tolerance
drugs that alter perception
no reward/euphoria
Nonaddictive drug of abuse
targets of nonaddictive drug of abuse
Cortical and Thalamic System
would be binding to certain G-protein coupled receptors; includes Opioids, Cannabinoids and γ-Hydroxybutyric acid (GHB)
Class 1
would usually bind to ion channels; includes Benzodiazepines, Ethanol, and Nicotine
Class 2
would bind to transporters of Biogenic
Amines; includes Cocaine, Amphetamine, and
Ecstasy
Class 3
Morphine
Papaverine
Codeine
Thebiane
Opiates (naturally occurring alkaloids)
Strong analgesics (painkillers) and narcotics
Opioids
Opioid receptor subtypes
μ (mu), δ (delta), and κ (kappa)
Scientific name of poppy plant
Papaver somniferum
Principal active ingredient of Opium
Morphine
MOA of Opium
SC and IV
Type of Opioid used for cancer pain and post-surgical pain
Opium
Released by Opium
Histamine
Other names for Heroin
Smack, H, ska, junk
Diamorphine drug
Heroin
an addictive drug as a white or brown powder
tends to be used with other drugs
Heroin
MOA of Heroin
IV
t1/2 of Heroin
3-5 hrs
withdrawal effects of heroin can be observed ____ hrs after
5-10
street drug of abuse; non-medical
Heroin
Oxycodone is synthesized from ________
Thebaine
Oxycodone is derived from _______
Codeine
MOA of Oxycodone
Oral (tablet/component of cough syrup)
pethidine; demerol
Meperidine
Strong analgesic for post-surgery
Meperidine
Meperidine can have serious interaction with ________
MAOs
attempts to illicitly produce meperidine has resulted in _______ which can cause _________
MPTP: methyl-phenyl-tetrahydropyridine; parkinsonism
Respiratory depression can be reversed by ________
Naloxone
Adverse effect if chronic opioid use wherein non-painful stimulus may be perceived as pain
Hyperalgesia
Increased central nervous system (CNS) depression, particularly respiratory depression
Sedative-hypnotics
Increased sedation
Variable effects on respiratory depression
Accentuation of cardiovascular effects
(Antimuscarinic alpha-blocking actions)
Antipsychotic agents
Relative contraindication to all opioid analgesics because of the high incidence of hyperpyrexic coma; hypertension has also been reported.
Monoamine oxidase inhibitors
Anxiolytics
Can be short to long- acting sedatives
Sedative-Hypnotics
Examples of Sedative-Hypnotics
Alcohol
Barbiturates
Benzodiazepines
Gamma-hydroxybutyric acid (GHB)
SH used for treatment of epilepsy and seizure states in children
Phenobarbital
Rare occurrence of physiologic dependence
“Therapeutic dose dependence”
Benzodiazepines
Used for date rape
Schedule IV
anterograde amnesia
Flunitrazepam
Target of Barbiturates
GABAa receptors
Barbiturates that are not used anymore due to their unpredictable effect
Secobarbital, pentobarbital Na
Target of Alcohol
GABAa and NMDA
Target of Gamma Hydroxybutyric Acid
GABAb
Naturally found in the body
Can be found in fermented drinks like guava
Gamma Hydroxybutyric Acid
other names for Gamma Hydroxybutyric Acid
Liquid ecstasy, soap, easy lay, vita-G
Georgia homeboy
When used with _______, GHB can produce breathing problems
Alcohol
Treatment for short acting and long acting drugs
Chlordiazepoxide or phenobarbital
Treatment for alcohol
disulfiram and naltrexone
Scientific name for Marijuana
Cannabis sativa
Components of Cannabinoids
Cannabinol, Cannabidiol, and Tetrahydrocannabinol (THC)
Addictive component of Cannabinoid
tetrahydrocannabinol or THC