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health & medical sites

RefSeek's guide to the 25 best online resources for medical reference. With few exceptions the sites below are available for free and without registration.

American Cancer Society

Fighting cancer with research, education, patient care, and rehabilitation.

cancer.org - Organization

Center for Disease Control

HSS agency charged with protecting the public health and safety.

cdc.gov - Government


Easy-to-read drug information and useful online tools including a pill identifier.

drugs.com - Information Site

Department of Health and Human Services

Principal agency for protecting the health of U.S. citizens.

hhs.gov - Government


Point of care diagnostic and treatment information for doctors. Subscription required.

hhs.gov - Professional

Everyday Health

Personalized health advice, tools, and communities.

everydayhealth.com - Information Site

Hardin MD

Thousands of links to high quality health information and photos.

hardinmd.lib.uiowa.edu/ - Directory


Condition and procedure topics, symptom checker, and pill identifier.

healthline.com - Information Site

Mayo Clinic

Award-winning medical and health information for healthy living.

mayoclinic.com - Information Site

Medi Lexicon

Search over 200,000 medical terms, ICD-10 codes, hospitals, and more.

medilexicon.com - Dictionary


Medical information for specialists, physicians, and industry professionals.

medscape.com - Information Site

Medical Student

Links to authoritative medical information for students of medicine.

medicalstudent.com - Free Text Books


Authoritative medical information for consumers.

medicinenet.com - Information Site - Also see: Med Terms

Medline Plus

Diseases, symptoms, injuries, and more with photographs and illustrations.

nlm.nih.gov/medlineplus - Government

Medpage Today

Latest clinical and policy coverage geared towards health care professionals.

medpagetoday.com - Professional

Merck Manuals

The world's most widely-used medical guides, available online.

merckmanuals.com - Information Site

National Institutes of Health

Focal point for medical research in the United States.

nih.gov - Government


Drug information for consumers and medical health professionals.

rxlist.com - Information Site


Evidence-based clinical decision support resource for health care providers.

uptodate.com - Professional


Thousands of medical entries from abdomen to zygote.

webmd.com - Information Site

doctor reviews

Care Dash

Provider ratings and patient reviews. Make informed decisions about your health.


Castle Connoly

Top doctors based on peer nomination and review by a physician-directed research team.


Health Grades

Details on providerís experience, patient satisfaction and hospital quality.


U.S. News

Directory includes 750,000+ of America's physicians and surgeons.



Find, rate or check up on a doctor in the United States. Search by location, specialty or ailment.



Find a doctor and book an appointment. Read verified doctor reviews and ratings by patients.


medical journals

BioMed Central

Provides open access to hundreds of peer-reviewed medical journals.

biomedcentral.com - Free Medical Journals

Free Medical Journals

Site that promotes and links to free full-text medical journals and resources.

freemedicaljournals.com - Also: Free Medical Books


The most widely circulated peer-reviewed medical journal in the world.

jamanetwork.com - Medical Journal

New England Journal of Medicine

Publishes new medical research findings, review articles, and editorial opinion.

nejm.org - Medical Journal

PubMed Central

Free digital archive of biomedical and life sciences journal literature.

ncbi.nlm.nih.gov/pmc/ - Medical Journal

teen health

Pregnancy Helpline

Education and information for those experiencing pregnancy related issues.

thehelpline.org - Pregnancy

Girls Health

Reliable, supportive health information for girls ages 10 to 16.

girlshealth.gov - Girls Health

Teens Health

Honest information and advice about health, relationships, and growing up.

kidshealth.org/teen - Teen Health

Partnership for a Drug Free America

Answers and guidance on drug abuse, prevention, and treatment.

drugfree.org - Teen Health