Altitude sickness (also called soroche or acute mountain sickness) occurs when you quickly ascend to high areas above 2,500 m above sea level, such as Cusco or the Mountain of 7 Colors, and your body does not have enough time to adjust to the lower amount of oxygen.
During the first 24 to 48 hours in high places like Cusco, it is normal to feel tired, short of breath, or have a headache. If you notice that your breathing stabilizes, your energy improves, you sleep better, and no longer have symptoms such as dizziness or nausea, it means your body is adjusting correctly.
Sleeping well, regaining appetite, and being able to walk without difficulty are clear signs of good acclimatization. To facilitate this process, it is recommended to rest on the first day, hydrate well, avoid heavy meals, and consume coca tea or coca candies.
If you plan to go trekking above 4,000 m above sea level, such as the Mountain of Colors or the Humantay Lake, acclimate in Cusco 1 or 2 days before and avoid sudden efforts.
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If upon arriving in Cusco or another high-altitude area you are not normally used to, you begin to feel headache, dizziness, nausea, fatigue, or difficulty breathing, it is important to act immediately. The first thing to do is rest and avoid any physical exertion. Next, hydrate well with water or infusions like coca tea or muña, which help relieve the symptoms.
Do not continue ascending until you feel better, and opt for light meals to aid digestion. If symptoms persist or worsen, such as vomiting, severe headache, or shortness of breath, it is essential to consult a doctor or tour guide. In many accommodations and agencies in Cusco, you will find portable oxygen, which is useful for relieving symptoms quickly.
In some cases, you may need specific medication, such as paracetamol for pain or acetazolamide (under medical prescription) to improve acclimatization.
If you plan to go trekking above 4,000 m above sea level, like the Mountain of Colors or the Humantay Lake, acclimate in Cusco 1 or 2 days before and avoid sudden efforts.
If you have just arrived in Cusco or another high-altitude area, it is essential to help your body adapt as quickly and safely as possible. For this, it is recommended to rest on the first day, avoid intense physical activities, and drink plenty of water. Staying hydrated helps oxygenate the body and reduces the symptoms of altitude sickness.
It is also helpful to consume coca or muña infusions or coca candies, as they help relieve headaches and nausea. Another key recommendation is to avoid heavy meals, alcohol, and tobacco, at least during the first 48 hours. Instead, opt for light and easy-to-digest foods.
Finally, ascend gradually if your itinerary includes higher areas and always listen to your body: if you feel weak or unwell, prioritize rest.
If you are going trekking to places like the Mountain of Colors, the Humantay Lake, or the Inca Trail, it is essential to bring what is necessary to stay comfortable, safe, and prepared for climate or altitude changes. Here’s what you’ll need:
When a person quickly ascends to high-altitude areas, such as Cusco or the Mountain of Colors, they may experience symptoms such as headache, nausea, fatigue, or difficulty breathing. There are specific medications available to help prevent or alleviate these symptoms.
The most well-known is acetazolamide, also called Diamox, which is used both to prevent and treat altitude sickness. This medication works by accelerating breathing, which improves the body’s oxygenation. It is usually taken a day before the ascent, with recommended doses of 125 to 250 mg every 12 hours, always under medical supervision. Common side effects include tingling in the hands or feet and an increased need to urinate.
To relieve mild symptoms such as headaches, ibuprofen or paracetamol can also be taken, although they do not prevent altitude sickness, they only help alleviate discomfort. In more severe cases, doctors may prescribe dexamethasone, a corticosteroid that reduces inflammation and improves brain and lung function, but it must be administered with care and under medical supervision.
In addition to pharmaceutical medications, natural alternatives such as coca tea, coca candies, or muña infusions can help relieve mild discomfort. Before taking any medication, it is essential to consult with a doctor, especially if you have pre-existing conditions or are taking other medications.
