Altitude Sickness Topic Guide

Altitude Sickness (Mountain Sickness) Altitude Sickness (Mountain Sickness): Altitude sickness (mountain sickness) is caused when a person's body is not able to adjust to a higher altitude. Acute altitude sickness symptoms fatigue, headache, dizziness, insomnia, nausea, decreased appetite, edema, and social withdrawal. Most cases of altitude sickness are resolved by going to a lower altitude. Altitude sickness can be severe and life-threatening if it progresses to high altitude pulmonary edema (HAPE).

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Altitude Sickness (Mountain Sickness) Topic Guide - Visuals

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Altitude Sickness (Mountain Sickness) Topic Guide - Medications and Vitamins


prochlorperazine (oral) Prochlorperazine (oral)

Prochlorperazine is a phenothiazine (FEEN-oh-THYE-a-zeen) antipsychotic medicine...learn more »

dexamethasone (oral) Dexamethasone (oral)

Dexamethasone is a steroid that prevents the release of substances in the body that cause inflammation...learn more »

aspirin (oral) Aspirin (oral)

Aspirin is a salicylate (sa-LIS-il-ate). It works by reducing substances in the body that cause pain, fever, and inflammation...learn more »

acetazolamide Acetazolamide

Acetazolamide reduces the activity of a protein in your body called carbonic anhydrase. Blocking this protein can help reduce the build-up of certain fluids...learn more »

acetaminophen (oral/rectal) Acetaminophen (oral/rectal)

Acetaminophen is a pain reliever and a fever reducer. There are many brands and forms of acetaminophen available. Not all brands are listed on this leaflet...learn more »