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Chapter 9

Chapter 9. Understanding Drugs and Medicines. Analgesic. A medicine that relieves pain. Stimulant. A drug that increases alertness. Vaccine. A medicine that prevents infection in people exposed to infectious agents. OTC. Over the Counter A medicine available without a prescription.

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Chapter 9

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  1. Chapter 9 Understanding Drugs and Medicines

  2. Analgesic • A medicine that relieves pain

  3. Stimulant • A drug that increases alertness

  4. Vaccine • A medicine that prevents infection in people exposed to infectious agents

  5. OTC • Over the Counter • A medicine available without a prescription

  6. Prescription Medicine • A drug that required a written order from a doctor because it treats serious health conditions or is a very powerful medicine

  7. Sedative • A medicine that causes Sleepiness

  8. Addiction • A condition in which a person cannot control his or her drug use.

  9. Active Ingredient • A chemical that gives a drug its action

  10. Drugs of Abuse VS Medicines • Drugs of abuse have no medical purpose, while medicines treat, prevent, or cure illnesses

  11. Medicines • People may have • Allergic reactions • Anaphylactic shock (Anaphylaxis is a severe, potentially life-threatening allergic reaction. It can occur within seconds or minutes of exposure to something you're allergic to) • Side effects

  12. Testing of Medicines • Test on cell cultures • Test on animals • Tests on healthy humans • Clinical Trials

  13. Medicines • Before taking medicines prescribed by your doctor you should: • Ask the doctor if you can take a generic form of the medicine • Ask the doctor if there any side effects • Ask the doctor what to do if a side effect occurs

  14. Chemical Messengers • Help the brain process information and affect emotions are released at synapses

  15. Medicines • Must be safe to use • Must be effective • Must have only minor side effects

  16. Drug Origins • Natural sources • Laboratories

  17. OTC Medicines • Decide what works best for you • Read the list of uses to find out if the medicine will relieve your symptoms • Decide whether you want generic or brand name medicine

  18. Methods used to administer medicines • Implanted pumps • Inhalers • Injections • Oral • Transdermal patches • lotions

  19. Addiction • Avoid drugs

  20. Drug Withdrawal • The unpleasant symptoms drive the addict to take more of the drug to relieve the symptoms

  21. Experimentation with Drugs • Can lead to more regular pattern of abuse • Pleasure can lead to repeated use resulting in tolerance and then physical dependence • Adolescent brains are more vulnerable to the effects of drugs than adult brains are

  22. Test Tomorrow Chapter 9

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