
Altitude sickness on the Everest Base Camp trek
It's normal to experience some form of mild altitude sickness on the Everest Base Camp trek. But you want to ensure it doesn't develop into something serious. We discuss what altitude sickness is and how to acclimatise properly on the trek to stay safe.

by Paul Kelly
8 min read
Overview:
- What is altitude sickness?
- What are the symptoms of altitude sickness?
- Does altitude sickness affect everyone?
- What is acclimatisation?
- Three acclimatisation strategies
- Can I alleviate my altitude sickness?
- When must I turn back?
- Is there an evacuation service?
- Chat with us
What is altitude sickness?
Altitude sickness is when the body reacts badly to being made to ascend to a high altitude too quickly.

What are the symptoms of altitude sickness?
shortness of breath or rapid breathing fatigue nausea (and sometimes vomiting) dizziness headaches loss of appetite erratic sleep insomnia vivid dreams
Does altitude sickness affect everyone?

What is acclimatisation?
Three acclimatisation strategies
Acclimatisation strategy #1
Acclimatisation strategy #1: Give yourself enough days for the ascent.

Acclimatisation strategy #2
Acclimatisation strategy #2: Include rest days along the ascent route.

Acclimatisation strategy #3
Acclimatisation strategy #3: Climb high during the day and then sleep at a lower altitude.

Can I alleviate my altitude sickness?
