Altitude Sickness in Nepal: Prevention, Diamox & Treatment in Kathmandu
Acute Mountain Sickness (AMS) can affect any trekker ascending above 2,500 meters (8,200 ft) in Nepal, regardless of fitness or age. Prevention relies on gradual sleeping-altitude gains (≤500m/day above 3,000m), rest days, and optional Acetazolamide (Diamox 125mg twice daily). Severe symptoms (breathlessness at rest or ataxia) require immediate descent and oxygen.