Outdoor Action Guide to High Altitude
Description of altitude related illnesses, their symptoms and their treatment.
http://www.princeton.edu/~oa/safety/altitude.html

Apex Altitude
A charity that exists to perform high altitude medical research and educate the public about the topic
http://www.apex-altitude.com/

Healthy Me
Basic information, including a bibliography.
http://www.ahealthyme.com/topic/topic13676

Altitude Illness
Summary of prevention and treatment methods.
http://ciwec-clinic.com/altitude/

Supplemental Oxygen for the General Aviation Pilot
Article on determining the need for supplemental oxygen at density altitude.
http://www.dr-amy.com/rich/oxygen/

High-Altitude Pulmonary Edema: Current Concepts
Abstract of a 1996 article summarizing the current state of HAPE research and treatment.
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?CMD=Display&DB=PubMed

High Altitude Pathology Institute
High altitude travel advice. Information on chronic mountain sickness, high altitude pulmonary edema, the use of hyperoxic/hypoxic adaptation chambers, and triple hypoxia syndrome.
http://www.geocities.com/CapeCanaveral/6280/

Hypoxia
Information about the International Hypoxia Symposium including abstracts.
http://www.hypoxia.net/

Medex and Medical Expeditions
Information about and from this research charity dedicated to investigating the mechanisms of altitude related illness. Newsletter archive and planned expedition information.
http://www.medex.org.uk/

High-Altitude Medical Guide
Information on the prevention, recognition, and treatment of altitude illness, as well as other health issues affecting travelers to destinations at altitude.
http://www.high-altitude-medicine.com/

International Society for Mountain Medicine
Altitude tutorial. Newsletter archive. About the World Congress on Mountain Medicine and High Altitude Physiology.
http://www.ismmed.org

Mechanism for Life-Threatening High-Altitude Sickness Uncovered
Article from the American Heart Association on a study of the mechanism that causes HAPE.
http://www.newswise.com/articles/2001/4/ALTITUDE.HRT.html

Cerebral Syndromes
Article from Emergency Medicine covering cerebral syndromes in altitude sickness from AMS to HACE.
http://www.emedicine.com/emerg/topic22.htm

Pulmonary Syndromes
Article from Emergency Medicine covering HAPE.
http://www.emedicine.com/EMERG/topic795.htm

High Altitude Medicine and Biology
About the magazine published by Mary Ann Liebert, Inc.
http://www.liebertpub.com/HAM/

HypoMed Global Services
Information on Hypoytherapy/Hypoxytraining. About the annual international "Hypoxia in Medicine" conference.
http://www.hypomed.ch/

Outdoor Places
Basic description of common illnesses encountered at various altitudes with prevention tips.
http://www.outdoorplaces.com/Features/Mountain/altitude/page1.htm

American Academy of Family Physicians
Overview article with an informational handout for patients.
http://www.aafp.org/afp/980415ap/harris.html

Urinary Leukotriene E4 Levels in HAPE
Abstract of a study of the association between urinary excretion of leukotriene-E4 (LTE4) and high altitude pulmonary edema (HAPE) in order to determine whether HAPE involves inflammatory mechanisms.
http://infoventures.com/osh/abs/aero0004.html

CDC Travelers' Health Information on Altitude Illness
CDC's advisory for people planning travel to destinations at altitude.
http://www.cdc.gov/travel/diseases/altitude.htm

Pardoes Altitude & Acclimatization Page
Information on proper acclimatization and hydration to reduce the incidence of altitude illness. Discussion of altitude's effect on diet, menstruation, and medications. Bibliography and links.
http://www.pardoes.com/climbing/acclima.htm

Non-Physician Altitude Tutorial
Tutorial from the International Society for Mountain Medicine covering acclimatization, AMS, HACE, and HAPE. Includes treatment and prevention information.
http://www.ismmed.org/np_altitude_tutorial.htm

High Altitude Pulmonary Edema (HAPE)
Article on a personal experience with HAPE.
http://comspark.com/esarc/reference/pulmedema.htm

Family Practice Notebook: High Altitude Sickness
Outline of symptoms, prevention, and diagnosis for all altitude related illnesses.
http://www.fpnotebook.com/ER14.htm

High Altitude Pulmonary Edema (and me)
Personal account of an experience with HAPE.
http://www.weasel.com/hape.html

Birmingham Medical Research Expeditionary Society
Site of a group of medical scientists studying the effects of altitude and the causes and management of acute mountain sickness.
http://www.bmres.org/

eMedicine Health - Mountain Sickness
Consumer health resource center providing information on the causes, symptoms, and treatment.
http://www.emedicinehealth.com/mountain_sickness/article_em.htm

WebMD - Altitude Sickness
Explains causes, symptoms, treatment and prevention.
http://www.webmd.com/a-to-z-guides/Altitude-Sickness-Topic-Overview