Travel
Altitude sickness on a mountain trip: what to do?
Altitude sickness on a mountain trip: the right reflexes in a few simple steps.
Written by Mohamed IDBRAHIM · Updated octubre 13, 2026 · 7 min read
Immediate actions
- 1 Ascend slowly above 2,500 meters.
- 2 Descend immediately if headache and vomiting worsen.
- 3 Skip alcohol and hydrate constantly.
- 4 Emergency descent for confusion or inability to walk.
What not to do / warning
Ignoring altitude sickness causes fatal cerebral edema.
When a altitude sickness on a mountain trip happens, the first minutes matter. Follow these steps to act safely and without panic.
What to do right now
- Ascend slowly above 2,500 meters.
- Descend immediately if headache and vomiting worsen.
- Skip alcohol and hydrate constantly.
- Emergency descent for confusion or inability to walk.
Mistakes to avoid
- Acting before removing the immediate source of danger.
- Panicking or skipping the official procedures.
- Following unverified advice from random websites.
How to prevent this in the future
Regular checks, keeping emergency numbers visible and preparing an essentials kit go a long way. Save this guide for offline access.
Frequently asked questions
What should I do first?
Ensure everyone is safe, remove the source of danger, then call the relevant number or begin the official procedure.
When should I call emergency services?
Whenever life, serious injury or fire is involved. When in doubt, call — dispatchers would rather check than miss an emergency.
Sources & references
- CDC (https://wwwnc.cdc.gov/travel/page/altitude)