Pharmacology

Pharmacology - The science concerned with the origin, nature, effects and uses of drugs is called pharmacology.

1. A drug is any chemical substance that produces a biologic response in a living system.

2. A drug is a substance used as medicine to aid in the diagnosis, treatment or prevention of disease.

 

The radiologic technologist is expected to have a basic knowledge of pharmacology to prepare and administer drugs under the supervision of a licensed practitioner.

 

Medication Nomenclature and Information Resources

Nomenclature - A classified system of names.

 

A. Drugs and medication are interchangeable terms

 

B. Names of medications (Classifications)

1. Chemical - Identifies the actual chemical structure of the drug.

2. Generic – Indicates its chemical family. Generic medications are the same as, but less expensive than, proprietary medications.

3. Proprietary or Trade or Brand Names – Given to a drug by its manufacturer

 

C. Classification by Action

1. Drugs that have similar chemical actions are grouped into categories call drug families.

 

D. Legal Classifications

1. Are classified either prescription or nonprescription (over-the-counter)

 

E. Resources on medications

1. Physicians Desk Reference (PDR)

2. Clinical Pharmacology – recommended for RTs

 

Physicians Desk Reference (PDR)

1. Commonly called PDR

2. Annual publication that contains current product information

3. Pages are color coded and list drugs by both their generic and their brand names

4. PDR gives the accepted uses, side effects, contraindications, and doses for available drugs

5. If PDR unavailable, speak with pharmacist