Journal · Altitude & safety

Recognising altitude sickness.

Headache, nausea, poor appetite, unusual tiredness and broken sleep are the early signs. They are common and usually pass with a rest day. The rule is simple: never ascend with symptoms.

Recognising altitude sickness.

Drink more than you think you need, eat even without appetite, and walk slowly enough to talk. Tell your guide about any symptom, however small. Diamox can help with acclimatisation; discuss it with your doctor before travel.

A guide beside a trail signboard in the Manaslu region
Jigme Dorje, founder of Drokpo, in traditional Nubri dress — golden fur hat, brocade collar and leopard-trimmed chuba — arms folded in his village, the valley wall behind him

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