Centers for Disease Control & Prevention
There is a powerful search tool in the upper right-hand corner of the CDC Home Page. CDC works 24/7 to protect America from health, safety and security threats, both foreign and in the U.S. Whether diseases start at home or abroad, are chronic or acute, curable or preventable, human error or deliberate attack, CDC fights disease and supports communities and citizens to do the same. CDC increases the health security of our nation. As the nation's health protection agency, CDC saves lives and protects people from health threats. To accomplish our mission, CDC conducts critical science and provides health information that protects our nation against expensive and dangerous health threats, and responds when these arise.
Healthfinder.gov
Healthfinder.gov is the Federal portal to all health information, maintained by the Office of Disease Prevtion and Health Promotion, Department of Health and Human Services.
The Mayo Clinic
As one of America's premier medical research and healing centers, the Mayo Clinic offers a tremendous amount of highly reliable information on a wide variety of health topics, including a powerful search function.
The Merck Manual
Published for over 121 years, the Merck Manuals cover a wide range of medical topics, including disorders, tests, diagnoses, and drugs. This online Consumer Edition offers a powerful search function as well as an index of topics.
National Library of Medicine
The National Library of Medicine (NLM), on the campus of the National Institutes of Health in Bethesda, Maryland, has been a center of information innovation since its founding in 1836. The world's largest biomedical library, NLM maintains and makes available a vast print collection and produces electronic information resources on a wide range of topics that are searched billions of times each year by millions of people around the globe. It also supports and conducts research, development, and training in biomedical informatics and health information technology. In addition, the Library coordinates a 6,500-member National Network of Libraries of Medicine that promotes and provides access to health information in communities across the United States.
Prescribers' Digital Reference
(PDR) is a commercially published searchable online compilation of manufacturers' prescribing information (package insert) on prescription drugs, updated annually.
