6th Grade Chapter 7 Lesson 1 Drugs and Medicines D4-D11

How Medicines Help You

Drug- A substance that changes the way the body or mind works.Medicine- A drug used to prevent or cure illness or disease or relieve pain.Prescription Drug- Medicine that can only be obtained with a written order form from a physician.OTC Drug- Medicine purchased without a prescription (over the counter).

Ways Drugs are used as Medicine

• Cure illness or disease (vaccines)

• Treat symptoms (pain, runny nose)

• Treat conditions that last a long time (high blood pressure)

How Drugs Enter the body

Swallowed – pills, cough medicine.Injected- into a vein or muscle using a needle.Inhaled- through the nose or mouth (asthma inhaler)Absorbed – through the skin (ointments, drops or sprays)

How Drugs Affect the Body

A.Dose- the amount of a drug taken at one time.

1. Affected by: a. Amount- larger the dose, the stronger the effect. b. Person’s age- a drug may effect a very young or very old person differently. c. Body weight- greater the body weight, the greater dose is needed.

d. Health of a person- a drug can affect someone differently who is in poor health. e. State of mind- a person’s mood can affect a drug’s performance. f. Presence of other drugs- in the body can increase or decrease their effect. g. Side Effects- a drug may respond differently from one person to the next.

How drugs affect the body

• Side Effect- an unwanted reaction to a drug.

• Tolerance- condition in which increasing amounts of a drug are needed to produce the desired effect. (built up immunity)

Drug Safety

• A Pharmacist is a licensed professional who distributes drugs.

• Safe OTC Drug use include: Take only with parents supervision. Read the label! Follow all instructions. Use only for its stated purpose. Do not buy if the seal is broken. Check the expiration date. Keep OTC’s in their original containers.

Misuse and Drug Abuse

• What is the difference between misuse and abuse?

• Misuse- unintentional

• Abuse- done on purpose

• Physical Dependence- repeated use that causes tolerance.

• Psychological Dependence- repeated use for social reasons.

Signs of Drug Use

• Lying about using

• “I only tried it once”

• Hiding or smelling like drugs

• Having friends that use