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United States National Library of Medicine National Institutes of Health

Fact Sheet

What is MedlinePlus?
MedlinePlus ( is the National Library of Medicine's web site for consumer health information.

What information is in MedlinePlus?

How are links selected for MedlinePlus?
MedlinePlus is not an exhaustive list of every health web resource. It is a selective list of authoritative health information sources from NIH and other government and professional organizations in the U.S. A link to the guidelines is on the "About MedlinePlus" page. MedlinePlus includes mostly U.S. resources.

MedlinePlus facts
System - Oracle database and Cold Fusion application
Resources are updated nightly (date on page indicates date of most recent change)
Released October 22, 1998
Includes over 700 topics
For more statistics, see the MedlinePlus Statistics FAQ (

Need more information?
NLM's toll-free number is 1-888-FINDNLM (1-888-346-3656)
NLM's e-mail address is

A complete list of NLM Fact Sheets is available at:
(alphabetical list)
(subject list):

Or write to:

Office of Communications and Public Liaison
National Library of Medicine
8600 Rockville Pike
Bethesda, Maryland 20894

Phone: (301) 496-6308
Fax: (301) 496-4450

Last updated: 24 April 2006
First published: 22 October 2001
Metadata| Permanence level: Permanent: Stable Content