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What are Medications?

Drug or Medication = any substance that modifies body functions when taken into a living organism

*Click on each picture for more information

Drug Sources






Body System - Target Organ System


Therapeutic Class

Illegal Medications

Pharmacological Class

Drug Classifcations

Registered and restricted to the manufacturer.Capitalized!


4. Trade/Brand Name

Drug Nomenclature

Drug name listed by the FDA (food and drug administration).

3. Official Name

Name given when it is first proposed by the company who developed the medication (not capitalized).

2. Generic Name

Exact chemical make-up of the drug

1. Chemical Name

  • Oftentimes minerals are used to replace deficiencies
    • Examples include:
      • Calcium
      • Iron
      • Sodium
      • Potassium
      • *List not all inclusive!

Chemicals that are extracted from metallic and non-metalic mineral sources

Listen up!

What are medications administered for?

Add video from PP created by Lisa Jacks

What is pharmacology?

The study of chemicals that affect the body

What are some similiar attributes? Click below to find out!

Pharmacological Class
  • Based on mechanism of action
    • Includes medications that have the same or similiar mechanism of action

Most important question when giving a medication??

Why is this medication prescribed for my patient? =Why are we giving this med to this patient? ALWAYS KNOW THE "WHY" BEHIND THE MED!
  • Medications are developed in a laboratory.
  • Majority of medications on the market today are synthetics.


  • Prescription medications require an order by health care professional who is liscensed to prescribe.
  • Non prescription are often called "over the counter" or "OTC" medications.

Prescription vs. Non-Prescription

Watch the above video describing Drug Nomenclature!

Listen up!

Target Organ System

  • CNS
  • Cardiovascular
  • GI
  • Respiratory
  • Musculoskeletal

**Not a common source anymore, but it was used frequently before lab synthetics were available**

Animal Sources

Hormones may be used from the glands of sheep, pigs, and cattle

Example: Narcotic medications originated from the poppy flower

Sources can include:

  • Roots
  • Bark
  • Sap
  • Leaves
  • Flowers
  • Seeds


  • Illegal medications:
    • Drugs or chemical substances used for nontherapeutic purposes.
    • Have not received approval for use by the FDA
    • Obtained illegally
Legal vs. Illegal Medications

Watch the above video to learn about the Therapeutic Classification!