How to beat altitude sickness in Cusco
Combat altitude sickness by spending your first 24 hours at a lower elevation if possible, or by resting immediately upon arrival. Stay hydrated, avoid heavy meals and alcohol, and consult your doctor about taking acetazolamide (Diamox) 24 hours before you ascend.
- Acclimatize gradually. If flying from sea level, do not head straight for high-altitude treks. Spend at least 2 full days in Cusco (3,400m) doing light walking before attempting activities like the Rainbow Mountain or Salkantay Trek.
- Manage your hydration. Drink 3 to 4 liters of water per day. High altitude is dehydrating, and proper hydration helps your blood oxygenate more effectively.
- Use local remedies. Drink mate de coca (coca leaf tea) available at your hotel or local cafes. It is a mild stimulant that helps with the symptoms of low oxygen.
- Eat light. Digestion slows down at high altitudes. Stick to simple carbohydrates and avoid heavy proteins or fatty foods for the first 48 hours to avoid nausea.
- Monitor your vitals. If you experience a severe headache that doesn't go away with ibuprofen, confusion, or a persistent dry cough, descend immediately. These are signs of HAPE or HACE, which require professional medical intervention.
- Does oxygen really help?
- Yes. Most hotels in Cusco provide oxygen canisters or tanks if you feel dizzy or short of breath. Use it for 10-15 minutes to stabilize.
- Is coffee safe?
- Limit caffeine intake. It can act as a diuretic and increase your heart rate, which can exacerbate the feeling of being lightheaded.