Virtual Pediatric Hospital
- A digital health sciences library at the University of Iowa for health care providers and patients.
- http://www.virtualpediatrichospital.org/

CDC Health Topics A to Z
- A listing of disease and health topics from the Center for Disease Control and Prevention in the United States.
- http://www.cdc.gov/az.do

Medical Knowledge Base
- Offers discussion forums on topics like cancer, AIDS, arthritis, hepatitis, healthy nutrition and motivation.
- http://www.medkb.com

Ask the Medical Expert
- Answers to medical related queries searchable from archives of the weekly column.
- http://www.medinfosource.com/expert

Talk Medical
- Offers information on diseases, disorders, medications, parenting, and pregnancy. Also contains a searchable medical dictionary.
- http://www.talkmedical.com

MerckMedicus
- Links to health resources for patients, professionals and an online medical library.
- http://merckmedicus.com

MedPix
- Database of medical images including radiology, pathology, and dermatology. Case of the Week with CME for physicians and CNE for nurses.
- http://rad.usuhs.mil/medpix/medpix.html?mode=default#top

Longevity Healthy Aging Research Group
- Information from this Canadian organisation on getting older and staying healthy.
- http://www.longevity.ca/

DiagnosisHeart.com
- Information on heart disease with surgical data and related resources.
- http://www.diagnosisheart.com/

Doctor NDTV
- Information on a variety of health issues from medical experts. Includes FAQ.
- http://www.doctorndtv.com

OHSU Health
- Information for patients and clinicians on aspects of healthcare. Includes an index of health topics.
- http://www.ohsuhealth.com/

My Body
- Interactive symptom checker, includes details of some possible causes.
- http://www.mybody.ie

South African Health Information
- Reviewed, evidence-based health information based on the South African health system.
- http://www.sahealthinfo.org

Centre for Medical Web Research
- A virtual centre for researching medical questions on the internet.
- http://www.cmwr.org/

Disease Conditions and Information
- A reference guide for about 100 disease and health conditions in an alphabetical listing.
- http://www.medindia.net/Patients/PatientInfo/Home.asp

Healthsites UK
- A portal to medical and health information for patients and doctors. Access medical and NHS healthcare sites plus news, advice and complementary therapy resources.
- http://www.healthsites.co.uk/

Mediresource
- Information on diseases and conditions, support groups and drug information. Primarily patient-oriented.
- http://www.mediresource.com

PreventDisease.com
- A patient-oriented portal for up-to-date health information on fitness, lifestyle, nutrition and health tools.
- http://preventdisease.com/

MedCalc
- A comprehensive collection of online clinical calculators. Includes ABG, GFR, Fluids and BMI calculations and interpretations.
- http://www.medcalc.com

AskDrWalker
- Resources and links to medical information. Includes medical databases, medical search engines, diseases and conditions and useful links for health professionals and patients.
- http://www.askdrwalker.com

Library of the National Medical Society
- Links to various journals, online diagnosis, medical textbooks and atlases. Subscription required.
- http://www.medical-library.org/

NCEMI: Common Simple Emergencies
- An online manual with detailed instructions and illustrations on how to treat various everyday medical emergencies.
- http://www.ncemi.org/cse/contents.htm

eMedicine - Consumer Treatment Guidelines
- Textbook on the treatment of common medical problems.
- http://www.emedicine.com/general/index.shtml

Physicians Online
- Provides physicians with free access to core services, including MEDLINE, email, private physician discussion groups, full text medical news articles, financial news and stock quote services. Membership required.
- http://www.po.com/

TheMediweb
- Provides a medical dictionary of health information for research and education for health care professionals, academics and the general public.
- http://www.themediweb.net

Virtual Naval Hospital
- A digital library designed to help primary care providers and to help patients associated with naval medical issues. A service of the U.S. Navy Bureau of Medicine and Surgery.
- http://www.vnh.org

Predictonline
- A testing and awareness site to provide the public and healthcare provider with medical information on various medical conditions.
- http://www.predictonline.com

Harrison's Online
- Regularly updated online version of the medical textbook. Subscription required with free 4-week trial.
- http://www.harrisonsonline.com/

The Homeless Handbook
- An online manual designed to assist support workers of homeless and similarly disadvantaged people who find themselves in medically challenging situations.
- http://www.infoxchange.net.au/hhb/index.html

DocMD.com
- Provides links to free medical and medically-related sites.
- http://docmd.com

Building Better Health
- Medical and healthcare information on disease and health improvement topics. Includes medical news, clinical research and newsletters.
- http://www.buildingbetterhealth.com

Best Evidence Topics
- Access to evidence-based medicine topics. Includes a searchable database.
- http://www.bestbets.org/

The Merck Manual
- Online version of The Merck Manual of Diagnosis and Therapy.
- http://www.merck.com/pubs/mmanual/

RJ's Medical Directory
- A collection of medical links and information categorized by specific topics.
- http://members.tripod.com/docraza/

MD Consult
- Includes reference books, journal search, practice guidelines, patient education and drug information. Subscription required, free trial period.
- http://www.mdconsult.com

Medics Travel
- Lists hospitals, charities, NGOs and recruitment agencies around the world to help doctors, nurses and medical students plan work and electives overseas.
- http://www.medicstravel.co.uk

Health Information Library
- Alphabetical listing of health information topics by the Carle Clinic and Hospital.
- http://www.carle.com/HealthGate/default.asp?id=PatientReports

MedConnect
- Information services with a clinical and practical focus for physicians and other health care professionals.
- http://www.medconnect.com/

Well-Connected
- Offering over 100 in-depth reports on physical and mental diseases and wellness issues. Written by medical writers and reviewed by a board at Harvard Medical School. Some information available free but most requires paid access.
- http://www.well-connected.com

DiagnosisHealth.com
- An online forum discussing various medical topics.
- http://www.diagnosishealth.com/

Globalrph
- Provides drug information, intravenous drug dilution standards and online clinical dosing calculators for health care professionals.
- http://www.globalrph.com

PolyMedicine.com
- Clinicians review electronic medical information resources available in any of the following media: browsable WWW sites, downloadable datasets and software or CD-ROMS.
- http://www.polymedicine.com

The Doctors Page
- Links to patient education materials, medical reference sites and medical humor.
- http://www.doctorspage.net