How much should you drink at high altitude?

According to the High Altitude Doctor (formerly Institute for Altitude Medicine) you need to drink an additional 1 - 1.5 liters of water per day when in high altitude. If you go too overboard on drinking water, it could cause a sodium imbalance and lead to hyponatremia, which is not fun.



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To be safe, wait 48 hours after you ascend to a higher elevation to drink, and avoid opioids (OxyContin, Vicodin) and benzodiazepines (Xanax, Klonopin) as these can cause respiratory depression. Two days is normally enough time for your body to acclimate to the altitude.

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