Altitude Sickness in Cusco: 5 Great Tips to Beat It

Altitude in Cusco Peru

Altitude sickness can put a damper on your dream trip to Cusco, Peru. Nestled high in the Andes Mountains, Cusco boasts an elevation of 11,152 feet (3,399 meters) above sea level, making it a picturesque but challenging destination for travelers. While the stunning views, rich cultural heritage, and the allure of Machu Picchu await, the high altitude can pose a serious threat to your well-being. In this comprehensive guide, we’ll delve into what altitude sickness is, its symptoms, and provide you with five invaluable tips to beat it and make the most of your time in Cusco.

Understanding Altitude Sickness

What is Altitude Sickness?

Altitude sickness, also known as acute mountain sickness (AMS), is a condition that can affect individuals when they ascend to high altitudes too quickly. It typically occurs at altitudes of 8,000 feet (2,400 meters) above sea level and higher, and Cusco, with its elevation of 11,152 feet (3,399 meters), is well within this range. AMS can affect anyone, regardless of age, gender, or physical fitness level.

The primary cause of altitude sickness is the decreased amount of oxygen at high altitudes. As you ascend, the air pressure decreases, and the body receives less oxygen. This leads to several physiological changes as your body adapts to the lower oxygen levels.

Common Symptoms of Altitude Sickness

Altitude sickness can manifest in various ways, and its symptoms can range from mild to severe. Recognizing these symptoms early on is crucial to managing the condition effectively. Here are some common signs of altitude sickness:

1. Headache: One of the most prevalent symptoms of altitude sickness is a throbbing headache. This is often the first sign that your body is struggling to adapt to the reduced oxygen levels.

2. Nausea and Vomiting: You may experience a feeling of nausea, which can progress to vomiting in more severe cases. This can lead to dehydration, making the situation worse.

3. Fatigue: Feeling unusually tired, weak, or lethargic is a common symptom of altitude sickness. Even simple tasks can become exhausting.

4. Dizziness and Lightheadedness: You may feel unsteady on your feet, with sensations of dizziness and lightheadedness.

5. Shortness of Breath: As your body struggles to get enough oxygen, you might find yourself breathing rapidly and feeling breathless even with minimal physical exertion.

6. Difficulty Sleeping: Many people experience poor-quality sleep at high altitudes, which can exacerbate other symptoms.

7. Loss of Appetite: Altitude sickness can lead to a decreased appetite, which can contribute to fatigue and other symptoms.

The Importance of Acclimatization

To mitigate the risk of altitude sickness in Cusco, it’s vital to allow your body time to acclimatize. Acclimatization is the process of gradually adjusting to the lower oxygen levels at higher elevations. Here are some tips on how to acclimatize effectively:

1. Arrive in Cusco a Few Days Early: If possible, arrive in Cusco a few days before embarking on any high-altitude treks or activities. This allows your body time to adjust to the change in elevation gradually.

2. Take It Slow: When you first arrive in Cusco, take it easy. Avoid strenuous activities and give your body a chance to acclimate. Enjoy the city’s sights and culture at a leisurely pace.

3. Stay Hydrated: Drinking plenty of water can help alleviate altitude sickness symptoms. Proper hydration is key to supporting your body’s adaptation to the altitude.

4. Limit Alcohol and Caffeine: Both alcohol and caffeine can contribute to dehydration, so it’s best to consume these beverages in moderation.

Now that you understand what altitude sickness is and how to acclimatize, let’s delve into five great tips to help you beat altitude sickness and fully enjoy your time in Cusco, including your journey to the magnificent Machu Picchu.

Stay Well-Hydrated

Altitude sickness can dehydrate your body more quickly than you might realize. At high altitudes, the lower oxygen levels make you breathe more rapidly, which can lead to increased water loss. To counter this effect, it’s crucial to stay well-hydrated throughout your stay in Cusco.

Start by drinking plenty of water before you even arrive in Cusco. Begin this practice at least a day or two before your trip to ensure you’re well-hydrated when you reach high elevation. Once in Cusco, continue to drink water consistently. Aim for at least eight cups (64 ounces) of water per day, and more if you’re physically active.

In addition to water, consider drinking coca tea, a local remedy that’s believed to help with altitude sickness. Coca tea is made from coca leaves, which have been traditionally used by the indigenous people of the Andes to combat the effects of high altitude. While the effectiveness of coca tea remains a subject of debate, many travelers find it soothing and helpful in managing mild altitude sickness symptoms.

Gradual Ascent

One of the most effective ways to reduce your risk of altitude sickness is to take a gradual approach to ascending in elevation. Avoid rushing to high altitudes, and instead, allow your body time to acclimate naturally. Here are some tips for a gradual ascent:

Spend a Day or Two in Cusco: Upon your arrival in Cusco, resist the urge to immediately head to Machu Picchu or other high-altitude destinations. Spend a day or two exploring Cusco and its surroundings to acclimatize slowly. This will give your body time to adapt before venturing to higher altitudes.

Take a city tour of Cusco while you acclimate!:

Avoid Strenuous Activities: During the initial days at high altitude, avoid strenuous activities like hiking or intense physical exertion. Save these adventures for later in your trip when your body is better adjusted to the elevation.

Sleep at Lower Elevations: If possible, spend your nights at lower elevations. For instance, you can stay in the Sacred Valley or Aguas Calientes (the town nearest to Machu Picchu) before visiting the ancient citadel. This can help reduce the risk of altitude sickness during your Machu Picchu expedition.

Medication for Altitude Sickness

In some cases, it might be necessary to consider medication to prevent or treat altitude sickness. Before using any medication, it’s essential to consult with a healthcare professional, as they can provide guidance on the best approach for your specific situation. Here are some common medications used for altitude sickness:

Acetazolamide (Diamox): Acetazolamide is a prescription medication that helps increase your breathing rate, which can assist in maintaining adequate oxygen levels in your blood. It’s often recommended as a preventive measure when traveling to high altitudes. However, consult your doctor for proper dosing and any potential side effects.

Ibuprofen: Over-the-counter ibuprofen can help alleviate the symptoms of altitude sickness, such as headaches and body aches.

Dexamethasone: This prescription medication can be used for the treatment of severe altitude sickness symptoms. It’s essential to follow your healthcare provider’s recommendations for dosing and usage.

Natural Remedies: Some travelers also explore natural remedies like coca leaves, ginger tea, and ginkgo biloba. While the efficacy of these remedies varies from person to person, they can provide some relief for mild symptoms.

Remember that medication is not a replacement for acclimatization and proper hydration. It’s crucial to combine medication with a gradual ascent and other preventive measures for the best results.

Proper Nutrition

Eating a balanced and nutritious diet can play a significant role in preventing and managing altitude sickness. Your body needs an adequate supply of essential nutrients to function efficiently at high altitudes. Here are some dietary tips to consider:

Carbohydrates: Foods rich in carbohydrates provide a readily available source of energy, which is essential when your body is working harder due to lower oxygen levels. Include foods like rice, pasta, and quinoa in your diet.

Iron-Rich Foods: Iron is crucial for the production of red blood cells, which transport oxygen throughout your body. Incorporate iron-rich foods like lean meats, beans, and leafy greens into your meals.

Vitamin C: This vitamin can help your body absorb iron more efficiently. Include citrus fruits, strawberries, and bell peppers in your diet.

Avoid Excessive Salt: High sodium intake can contribute to dehydration. Limit your consumption of salty snacks and processed foods.

Stay Away from Heavy, Fatty Meals: High-fat meals can slow down digestion and make you feel uncomfortable. Opt for lighter, easily digestible options, especially during the initial days at high altitude.

Local Cuisine: Don’t miss the opportunity to sample local Peruvian dishes, which are often rich in nutrients and flavors. Try quinoa, ceviche, and potato-based dishes for a taste of the region’s culinary delights.

Listen to Your Body

When it comes to altitude sickness, your body’s signals are invaluable. Pay attention to how you’re feeling and be prepared to make adjustments to your plans if needed. Here are some key considerations:

Rest: If you experience symptoms of altitude sickness, the best course of action is to rest. Find a comfortable spot, sit down, and relax. Avoid pushing yourself to continue with strenuous activities.

Descend if Necessary: In some cases, the symptoms of altitude sickness can become severe, and descending to a lower altitude is the only effective remedy. If your symptoms worsen or do not improve, it’s essential to take this step for your safety.

Oxygen Therapy: In Cusco, many hotels and clinics offer oxygen therapy for travelers experiencing altitude sickness symptoms. This can provide quick relief and help you recover more rapidly.

Avoid Alcohol and Tobacco: It’s advisable to abstain from alcohol and tobacco during your stay in high-altitude regions, as they can exacerbate altitude sickness symptoms.


While altitude sickness can be a concern when traveling to high-elevation destinations like Cusco, it should not deter you from experiencing the wonders of this beautiful region, including the iconic Machu Picchu. With proper preparation, acclimatization, and attention to your body’s signals, you can minimize the risk of altitude sickness and make the most of your adventure in Peru.

Remember, everyone’s body reacts differently to high altitudes, so it’s essential to monitor your well-being and adjust your plans accordingly. With the right precautions and a sense of adventure, you can savor the breathtaking scenery, cultural treasures, and unforgettable experiences that Cusco and Machu Picchu have to offer, without being hindered by the effects of altitude sickness. Safe travels!

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