drugs and medicine lesson 1. how medicines help you a drug is a substance that changes the way the...
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DRUGS AND MEDICINELesson 1
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How Medicines Help You • A drug is a substance that changes the way the body and
mind works.
• Examples?
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How Medicines Help You• A medicine is a drug used to prevent or cure illness or
disease, or to relieve pain.
• Examples:
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Prescription vs. Over the Counter
Can you walk in to any drug store and take a prescription drug off of the shelf?
A prescription drug is a drug that can only be obtained with a written order from a physician (doctor).
A pharmacist is a licensed professional who distributes drugs that are prescribed.
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Prescription vs OTC drug• An Over-The-Counter (OTC) drug is a medicine that can
be purchased without a prescription.
• Examples of Over-The-Counter Drugs?
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How Drugs Enter the Body• Drugs can enter the body in many ways.
Drops and sprays
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How Drugs Affect the Body• The dose is the amount of a drug taken at one time.
• Doses differ for age, body weight and other factors that determine a drug’s effect.
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How Drugs Affect the Body• Amount of the dose• Age of a person• Body weight• Health of a person• State of mind of a person• Other drugs in the body• Side effects
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Parts of an OTC Label
• Name of Product• Type of medicine• Active ingredient• Inactive ingredients• Warnings• Side effects• Directions for use• Expiration date• Name and address of
manufacturer• Safety feature• Uses for the drug
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How Drugs Affect the Body• Side effect: an unwanted reaction to a drug
• Tolerance: a condition in which increasing amounts of a drug are needed to produce the desired effects
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What do you think?•All medicines are drugs, but not all drugs are medicines.
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Drug Misuse• The harmful use of a legal drug that is not done on
purpose.• Lack of knowledge• Not following instructions• Misread a label• Take after expiration date
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Drug Abuse• Harmful use of any drug on purpose.
• Taking a higher dose than recommended• Using prescription drugs without a prescription• Using illegal drugs• Using alcohol or tobacco if underage
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Drug Dependence• A person craves a drug and uses it repeatedly.
• Dependence can be physical, psychological, or both
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Physical Dependence• Repeated drug use that causes tolerance.
• Not taking it could cause problems such as headaches, chills and nausea. These are known as withdrawal symptoms.
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Psychological Dependence• The repeated use of a drug for emotional or social
reasons.
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Signs of Drug Abuse• Talking about trying a drug• Lying about drug use• Hiding drugs• Smelling like alcohol• Suddenly getting into trouble• Spending time with peers who use drugs.