Safety & Advisories

If You Have Type 1 Diabetes, Here’s What Altitude in Nepal Actually Does to Your Blood Sugar

Real studies from Everest and Nepal’s Dhaulagiri circuit show blood sugar swings both ways at altitude, and which trek actually suits type 1 diabetes.

By Laxman Rawal · Sep 26, 2026

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Type 1 diabetes is not a reason to rule out a Nepal trek, but altitude changes how your blood sugar behaves in ways that surprise even well-controlled trekkers. Real studies from Everest Base Camp and Nepal's Dhaulagiri circuit show glucose readings swinging…

Travel Himalaya Nepal · News

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What altitude actually does to your blood sugar

Altitude does not push glucose in one direction, it pushes it in two, at the same time, for different reasons. Hypoxia (lower oxygen) triggers a stress-hormone response — cortisol and adrenaline rise — which tends to raise blood sugar, and researchers…

Travel Himalaya Nepal · News

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Why your meter, pump and CGM may lie to you up there

The device you check your numbers on is not immune to the mountain. A study testing handheld glucose meters at high altitude found that most overestimate true blood glucose once you're above roughly 3,000 to 4,000 m, and two glucose-dehydrogenase-based meters…

Travel Himalaya Nepal · News

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Which Nepal trek actually makes sense with type 1 diabetes

The honest answer depends on how controlled your diabetes is and how far you are from help, not on whether you can physically walk the distance. A teahouse trek that never leaves easy reach of a village and a jeep road — Annapurna Base Camp at 4,130 m, or the…

Travel Himalaya Nepal · News

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