Journal of travel medicine
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Modern travel means that many travellers can arrive abruptly to high-altitude destinations without doing any trekking or climbing. Airports in high-altitude cities mean that travellers can go from sea level to over 3350-3960 m (11 000-13 000 feet) in a matter of hours, putting themselves at risk for high-altitude illness (HAI). ⋯ Travel medicine practitioners should become comfortable with assessing the risk of HAI and determining when it is appropriate to offer acetazolamide prophylaxis to prevent HAI.