DRUGS AND MEDICINE Lesson 1. How Medicines Help You A drug is a substance that changes the way the body and mind works. Examples?

DRUGS AND MEDICINELesson 1

How Medicines Help You • A drug is a substance that changes the way the body and

mind works.

• Examples?

How Medicines Help You• A medicine is a drug used to prevent or cure illness or

disease, or to relieve pain.

• Examples:

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.

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?

How Drugs Enter the Body• Drugs can enter the body in many ways.

Drops and sprays

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.

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

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

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

What do you think?•All medicines are drugs, but not all drugs are medicines.

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

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

Drug Dependence• A person craves a drug and uses it repeatedly.

• Dependence can be physical, psychological, or both

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.

Psychological Dependence• The repeated use of a drug for emotional or social

reasons.

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.