Medical Search Engines

Confused keeping track of the many medical search engines on the Internet? This page lists the major medical search sites and their features, with links. You can also download the MedMaster MedSearcher program (free!) for rapid searching using the major medical engines.


Google: General searching through a vast variety of peer-review and non-peer review literature.

Google Images: Searches specifically for images of the requested search word(s).

MSN: Microsoft's search engine exploring a vast variety of literature on the web, both peer-reviewed and non peer-reviewed.

Yahoo! Search: Wide searching of the internet for numerous topics both non-health related and health-related (peer-reviewed and non peer-reviewed).


BioMed Central: Over 100 free access journals covering all areas of Biology and Medicine

BioMedSearch.com: A comprehensive biomedical search enginewith NIH/PubMed documents, many theses, dissertations, and other publications not found elswhere, for free.

Centers for Disease Control and Prevention: Public health literature on the prevention and control of infectious and chronic diseases, injuries, workplace hazards, disabilities, and environmental health threats.

CenterWatch: A wealth of information about clinical research, including listings of more than 41,000 active industry and government-sponsored clinical trials, as well as new drug therapies in research and those recently approved by the FDA. Designed to be an open resource for patients.

ClinicalTrials.gov: ClinicalTrials.gov offers up-to-date information for locating federally and privately supported clinical trials for a wide range of diseases and conditions.

Cochrane Summaries: Thorough review of the evidence for current treatment modalities.

Emedicine: Nearly 10,000 physician authors and editors contribute to the eMedicine Clinical Knowledge Base, which contains articles on 7,000 diseases and disorders. The evidence-based content, updated 24/7, provides the latest practice guidelines in 59 medical specialties.

Genetics Home Reference: Genetics Home Reference is the National Library of Medicine's web site for consumer information about genetic conditions and the genes or chromosomes responsible for those conditions.

Google Scholar: Searches specifically for scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research. Use Google Scholar to find articles from a wide variety of academic publishers, professional societies, preprint repositories and universities, as well as scholarly articles available across the web.

HealthCentral: Contains a doctor-approved health encyclopedia of diseases and conditions, the ability to find symptoms and treatments. Also drug information with side effects and interactions. Up-to-date news.

HealthFinder: Healthfinder® is a free portal to reliable health information, developed by the U.S. Department of Health and Human Services. The site provides an easy-to-use, searchable index of carefully reviewed health information from over 1,500 government agencies, nonprofit organizations, and universities.

Mayo Clinic: Information about diseases, treatment, and research associated with the Mayo Clinic.

MDConsult: Provides online access to comprehensive clinical information for physicians and other helath care professionals, including support for patient education, diagnosis and management. (User name and password requested)

MedicineNet.com: MedicineNet.com provides easy-to-read, in-depth, authoritative medical information for consumers via its robust, user-friendly, interactive web site. It has a highly accomplished, uniquely experienced team of qualified executives in the fields of medicine, healthcare, Internet technology, and business to bring you the most comprehensive, sought after healthcare information anywhere. Nationally recognized, 100% Doctor-Produced by a network of over 70 U.S. Board Certified Physicians.

MedlinePlus: MedlinePlus provides health information to health professionals and consumers, from the world's largest medical library, the National Library of Medicine. It has extensive information from the National Institutes of Health and other trusted sources on over 700 diseases and conditions, and links to thousands of clinical trials. MedlinePlus is updated daily.

Medscape: A free resource for physicians, featuring CME, journal articles, MEDLINE, medical news, conference coverage and comprehensive drug information.

MedWatch: Searches the Food and Drug Administrations web site for web articles in medicine. Searches are updated every night.

Merck: Consumer oriented health related information.

Merck Medicus: Merck Medicus is designed specifically for physicians and other healthcare providers, provides breaking medical news, a wide variety of scientfic learning resources and cutting-edge diagnostic tools. Includes access to slides for lectures and presentations. View articles and abstracts from key medical journals. Can search by specialty.

National Cancer Institute: The National Cancer Institute is a branch of the U.S. National Institutes of Health. It has extensive literature on cancer in addition to clinical trials.

National Guideline Clearinghouse: Guideline.gov is the National Guideline Clearinghouseâ„¢ (NGC), a public resource for evidence-based clinical practice guidelines.

National Library of Medicine: Searches through the National Library of Medicine web site for medical literature.

OMIM: OMIM (Online Mendelian Inheritance in Man) is an extensive database of human genes and genetic disorders. It can also be accessed through MedMaster's Atlas of Human Diseases.

OmniMedicalSearch.com: OmniMedicalSearch.com, instead of assembling its own database of websites to present its search results, returns the search results from other search engines in various combinations. You are then presented with the top results of ALL the search engines and databases you selected. The OmniMedicalSearch.com Home Page provides a number of exellent options for modifying the search.

OVID: Accesses hundreds of databases, more than 1500 journals and books for medical information.

MDLinx: Provides physicians and healthcare professioansl with free medical news updates in over 30 specialty areas and over 700 subspecialties, including top peer-reviewed journal articles, CME, conference listings, and product information.

PLOS Medicine: Open access for important, peer-reviewed advances in all medical disciplines, by the Public Library of Science.

PubMed: PubMed, a service of the National Library of Medicine, includes over 15 million citations for biomedical articles back to the 1950's. These citations are from MEDLINE and additional life science journals. PubMed includes links to many sites providing full text articles and other related resources.

PubMed Central: PubMed Central (PMC) is the U.S. National Institutes of Health (NIH) free digital archive of biomedical and life sciences journal literature.

Stat!Ref: Rapid access to information in many key medical books and PDAs (subscription required).

WebMDHealth: Links to general articles about a wide variety of health issues; patient oriented,

WrongDiagnosis: Focuses on misdiagnosis of more than 2,000 diseases and 7000 symptoms


Science-Based Medicine blog
The SkepDoc
New York's Memorial Sloan Kettering Cancer Center's herbal/botanical database


Annals of Internal Medicine: The Annals of Internal Medicine web site provides access to the archives of Annals of Internal Medicine.

JAMA: The JAMA web site provides access to the archives of the Journal of the American Medical Association. (Abstracts are free, but subscription may be necessary for full text.)

New England Journal of Medicine: The NEJM web site provides access to the archives of the New England Journal of Medicine. (Abstracts are free, but subscription may be necessary for complete papers.)

The Lancet: TheLancet.com web site provides access to the archives of The Lancet journal. (Access is free, with some pay-per-view options; login required.)

British Medical Journal: Contains the text of all articles published in the weekly British Medical Journal since January 1994, in addition to other information.

FreeMedicalJournals.com: Guide to free online medical journals

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