1. Chapter 23
Medicines and Drugs

2. Role of Medicines
Medicine- drug used to treat or prevent disease or other conditions
Drugs- substances other than food that change the structure or function of the body or mind
All medicines are drugs, but not all drugs are medicines.

3. 4 categories of medicines
Help prevent disease
Fight pathogens
Relieve pain
Help maintain or restore health and regulate body systems

4. Medicines that help Prevent Disease
Vaccine- a preparation introduced into the body to stimulate an immune response.
Antitoxins- neutralizes the effect of toxins such as those that cause tetanus.

5. Medicines that relive pain
Analgesics- pain relievers
What are some examples of these?

6. Pain relievers cont’d
Aspirin- relieve pain, reduce fever, treat arthritis.
Tylenol
Ibuprofen
Acetaminophen- used for children.

7. Side Effects of Analgesics
Upset stomach
Dizziness
Ringing of the ears
Reyes Syndrome (effects brain and liver)

8. Medicines that promote health
Allergy medicines
Or antihistamines, these reduce sneezing, itchy watery eyes and runny nose. Common allergies
Body- regulating medicines
-Insulin- diabetes
-Asthma- Inhalers
-Blood pressure meds- Lower blood pressure

9. continued Antidepressants Help normalize brain chemistry
Mood disorders, depression, schizophrenia
Cancer treatment medicines
-reduce rapid cell growth, stop the spread of cancer cells.
-Chemotherapy- kills fast growing cancer cells.

10. Side effects A reaction to medicine other than the one intended
Additive interaction – when medicines work together
Synergistic effect- interaction of two or more medicines that result in a greater effect when taken alone
Antagonistic Interaction- effect of meds is canceled or reduced when taken with another.

11. Prescription

12. Illegal Drugs
Substance Abuse: any unnecessary or improper use of a chemical substance.
Illegal drug: chemical substance that people of any age may not lawfully make, possess, buy or sell.

13. Health Consequences
Overdose: a strong sometimes fatal reaction to taking a large amount of a drug.
Psychological Dependence: a person believes that a drug is needed in order to feel good or to function.
Physiological dependence: user has a chemical need for the drug.

14. Health Consequences
Addiction: a physiological or psychological dependence on a drug.
All of this can lead to disease, legal problems, family and friend issues

15. Type of Illegal drugs Marijuana PCP Cocaine Methamphetamine Heroin
Opium
LSD
Amphetamines

16. Assignment Get into groups of 4.
I will assign your group a illegal drug.
You will research the drug, using your book, or you can use your electronic devise.

17. Details of the project Name of drug
Type(Stimulant, Depressant, Narcotic, Hallucinogens)
Origin (Year, and from who)
Intended use of the drug(original and today)
Side Effects
PSA for not doing the drug(commercial)
Neatness
Pictures
Add color