introduction to drug abuse mrs. basmah kattan, mph
TRANSCRIPT
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Introduction to drug abuse Mrs. Basmah kattan, MPH
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Outline Terms and definitions Gateway drugs Types of drugs Categories of drugs Addiction (activity) How Addiction Happens Factors That Influence Drug Action Why do people use drugs Symptoms of drug user How Drugs Are Taken Stages of addiction Exercise
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Definitions
Drug – a substance that causes a physical or emotional change in a person.
affects the processes of the mind or body;
*Over-the-counter- (non-prescription)*Prescription Drugs – Dr. written order*Tobacco*Alcohol*Illegal drugs*
Herbal*Caffeine*Inhalants
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Effect – the influence a drug has on the body and the mind or both.
Drug Use – taking meds properly and in its correct dosage.
Drug Misuse – improper use of a drug (usually done by mistake)
Drug abuse – intentional improper use of a drug.
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Psychoactive effects – an effect on a person’s mood or behavior.Mood-alteringaffects brain activity
Overdose – a serious sometimes fatal reaction to a large dose of a drug
Dose – an exact amount of a drug
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o Tolerance: A stage of drug abuse in which the brain and body get used to a drug, causing a person to have to take more and more of the drug to get the same effect
o Dependence: A stage of drug abuse in which a person needs a drug just to feel okay (normal).
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Addiction A style of living characterized by compulsive use and overwhelming involvement with a drug. A stage of drug abuse in which the user cannot stop taking the drug despite serious negative consequences; the drug takes control of the brain and overpowers the body’s natural signals Compulsive use of a drug despite any
costChanges the structure and chemistry
of the brain
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Withdrawal: A stage of drug abuse when the user stops taking the drug. The user is often in physical pain and may suffer from depression, hallucinations or delusions.
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Other Drug Vocabulary Relapse – the tendency to return to
addictive behavior after a period of abstinence.
Euphoria – “high” Synesthesia – an effect where sensory
messages are incorrectly assigned (hear a taste, smell a sound)
Flashbacks – perceptual distortions and bizarre thoughts that occur after the drug has been eliminated from the body
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What are gateway drugs?
A gateway drug is a drug that opens the door to other,
harder drug use.
What are examples of gateway drugs?
Alcohol, Tobacco, Marijuana
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Drugs can be separated into Types and Categories
Types of Drugs: Prescription Drugs Over-the-Counter (OTC) Drugs Recreational Drugs
alcohol, tobacco, caffeine Illicit Drugs
IllegalMost are psychoactive – changes brain
chemistry
Types of Drugs
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Stimulants – speed up the mental and physical responses of the central nervous system.
Increase Heart Rateblood pressurebreathing ratealertness
Categories of drugs
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Depressants – the opposite of stimulants, these drugs slow down brain and body reactionsdecreases heart and breathing rates
lowers blood pressure Alcohol Barbiturates
Sedatives Tranquilizers
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Narcotics – Powerful painkillers – suppress the CNS. They have a high potential for abuse and addiction.
Heroin OxyContinCodeine VicodinMethadone Darvon
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Hallucinogens – distort sensory information going to the brain, while not all users hallucinate, have a distorted sense of reality. No medical use. LSD PCP Rohypnol MDMA – Ecstasy Mushrooms
= Also know as club drugs
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Inhalants – common household products. Chemical inhaled gives mind-altering effects.
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Marijuana – formally classified as both a hallucinogen and a depressant, marijuana and its derivatives are in a category all by themselves.
Up to 20 times stronger than 30 years ago
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AddictionBesides drugs what else
could someone be addicted to?
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Potato Chip Activity How does it feel to stop after just one chip? How many of you would like another chip? How do cravings for potato chips differ from
cravings for tobacco, alcohol or other drugs? How might your body react if you stopped eating
potato chips? What if you stopped using tobacco, alcohol, or
some other drug after you are addicted?
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How Addiction Happens… Once a drug reaches the brain, it acts
on one or more neurotransmitters, either increasing or decreasing their concentration and actions.
Neurotransmitters include substances such as serotonin and dopamine that are released from your brain to make you feel good.
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Dopamine and Serotonin
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Dopamine and the brain
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How quickly someone becomes addicted depends on several factors:
Genetic connection to addictionStress, worry, tension – the more there is, the more likely you are to look for so-called relief.
Drug being used. Some drugs cause addiction after just one or a few uses.
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Factors That Influence Drug ActionDoseAgeBody WeightGenderPrevious knowledge of drug
Other drugs in body
Contents of stomach
MoodExpectationsEnvironment
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Why do people use drugs?CuriosityPeer pressurePeer acceptance Pleasure seekingAct of rebellionBoredom
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Symptoms of a Drug UserPersonality
• Becomes disrespectful, verbal and physical abuse
• Is angry a lot, acts paranoid or confused, extreme mood swings
• Seems depressed and less out-going than usual.
• Is secretive, lies about what s/he is doing and where s/he is going.
• Steals or “loses” possessions s/he used to value.
• Seems to have a lot of money or is always asking for money
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Symptoms of a Drug UserPhysical Appearance
• Not taking care of hygiene and grooming.
• Not sleeping or sleeping too much.
• Loss of appetite
• Weight loss or weight gain.
• Too hyperactive or too little energy.
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Symptoms of a Drug UserSocial Activity/School Performance
• Drops old friends and activities.
• Skips school
• Loses interest in school work and is getting low grades
• Sleeps in class
• Loses concentration and is having trouble remembering things.
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How Drugs Are TakenInhaledInjectionOrally SnortedTransdermal (Patches)Absorbed
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Stages of Addiction
Stage 1curiosity is a motivatorlearning to trust/mistrust the drug used
“High” is still a new feeling
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Stages of AddictionStage 2
User is thinking more about drugs
Previous relationships become difficult
User uses when aloneUser still thinks they have control
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Stages of AddictionStage 3
Seeks out the “high”Has confidence in using the drugUser thinks the drug won’t hurt them
Peer group usesTolerance develops
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Stages of Addiction
Stage 4Can no longer get “high”User uses the drug to avoid being sick!
Drugs become the center of their life
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Tolerance, Dependence or Addiction?
Does the scenario represent
Tolerance,
Dependence
or
Addiction?
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Tolerance, Dependence or Addiction?
Maha has to take twice as much heroin to get the
same high she used to get with just one needle.
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Tolerance, Dependence or Addiction?
Rayan has a compulsive need to drink alcohol.
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Tolerance, Dependence or Addiction?
Ahmed will do anything, including steal from his friends to get the drugs.
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Tolerance, Dependence or Addiction?
The brain adjusts to the drug to the point that it
needs the drug to function normally.
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Tolerance, Dependence or Addiction?
Sarah’s reward pathway doesn’t respond as strongly
as it used to when she smokes a cigarette.
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Tolerance, Dependence or Addiction?
Saleh experiences overwhelming physical
withdrawal symptoms when he doesn’t take heroin.
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Tolerance, Dependence or Addiction?
Instead of a good feeling, taking the drug only
produces relief.
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Tolerance, Dependence or Addiction?
The drug user’s brain cells become more resistant to
the effects of the drug.
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Tolerance, Dependence or Addiction?
Layla cannot control her cocaine use anymore.
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Tolerance, Dependence, or Addiction
1. Tolerance2. Addiction3. Addiction4. Dependence
5. Tolerance6. Addiction7. Dependence8. Tolerance9. Addiction