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1. A drug, broadly speaking, is any substance that, when
absorbed into the body of a living organism

2.  OBJECTIVES:-
 Describe the attributes and the differences between
tertiary , secondary and primary resources.
 Identify the most appropriate resources for a given drug
information enquiry and use them effectively
 Recognize that primary ,secondary and tertiary resources
may be available in hard copy.CD-ROM ,ON LINE and /or
orther Format.
 Describe how to search computerized databases.
 Understand the role of computer bulletin boards and the
internet as drug information resources.
 Recognize that professional organizations ;pharmaceutical
manufactures drugs information centers and poison
centers are alternate sources of drug information.

3.  A substance used in the diagnosis, treatment ,or
prevention of a disease or as a component of a
medication.

4.  They are the research studies published in the
biomedical journals.
 It is the most current information about drugs .
 It is not easy job to use journals to answer a drug
related question because of its huge growing
number(>20000 biomedical journals available)
 Primary resources provide the broad base for
development of the rest the professional literature.
 It contains original reports of scientific studies which
the knowledge of drugs and therapeutics built.

5.  They are indexes and abstracts for primary resources.
 They are valuable tools for quick and selective
screening for primary resources.
 They provide the user with concise tools for gaining
access to the primary literatures.
 Any single indexing or abstracting service can not
cover all published articles beside the lag time are the
limitations to use secondary.

6.  Tertiary resources include textbooks ;monographs;
Compendia; Handbooks; and published symposia.
 They represent the condensation of basic facts
originally published in the primary literature

7.  Tertiary Resources are the most commonly used
sources of information because they are easy to
use, concise and compact.
 Often they provide a review of the literature by an
expert in the field.
 Tertiary references (textbook.CD-ROMS)are
convenient and in general ;fairly accessible.
 Drug information references may be divided into
specific subjects to make them easier to use.
 Usually the information contained in tertiary literature
 is well accepted in medical practice

8.  Lag time ..outdated even in new editions.
 Space limitations within a text may prevent extensive
discussion of a drug or topic.
 Authors may emphasize limited information about a
topic or drug.
 Authors may present information that is based on a
less through review of the primary literature.
 Any updated or new information can not be inserted
into the printed(hard copy) tertiary literature in a
timely fashion.

9.  Does the author have sufficient experience and
expertise to write on the topic?
 Assess the text for timeliness(i.g; when was the last
edition published?)
 Is this the most recent edition of the tertiary
reference?
 Are statements of fact appropriately supported by
references?
 How many references does each section have and how-
up-to-date are they?
 Is the reference clear;concise and easy to use?

10.  Does the author have sufficient experience and
expertise to write on the topic?
 Assess the text for timeliness(i.g; when was the last
edition published?)
 Is this the most recent edition of the tertiary
reference?
 Are statements of fact appropriately supported by
references?
 How many references does each section have and how-
up-to-date are they?
 Is the reference clear concise and easy to use?