Altitude sickness, also known as Acute Mountain Sickness (AMS), is a common concern for trekkers in the Everest region. AMS occurs when your body fails to adapt to the decreased oxygen levels and air pressure at high altitudes. It can affect anyone, regardless of age, fitness level, or prior experience at high altitudes.

Symptoms of AMS can range from mild to severe and typically occur within six to 24 hours of reaching an altitude above 2,500 meters (8,202 feet). Symptoms may include:
- Headache
- Dizziness or lightheadedness
- Nausea and vomiting
- Shortness of breath
- Loss of appetite
- Fatigue
- Difficulty sleeping
- Rapid heartbeat
To reduce the risk of altitude sickness during your Everest trek, consider the following precautions:
Acclimatization
Plan your trekking itinerary to allow for proper acclimatization. A general rule is not to ascend more than 300-500 meters (1,000-1,600 feet) per day above 3,000 meters (9,842 feet). Include rest days in your itinerary, especially at key points like Namche Bazaar, to allow your body to adjust to the altitude.

Recognize symptoms
Be aware of the early symptoms of AMS and take them seriously. If you experience any symptoms, inform your guide and consider resting or descending to a lower altitude until you feel better.
Also Read: High Altitude Sickness Prevention Tips
Stay hydrated
Dehydration can exacerbate AMS symptoms, so make sure to drink at least 3-4 liters of water per day while trekking.

Pace yourself
Maintain a slow and steady pace while trekking, giving your body enough time to acclimatize. Don't push yourself too hard or try to keep up with others if you're feeling unwell.
Medication
Consult your doctor about the possibility of taking medication like acetazolamide (Diamox) to help prevent or alleviate AMS symptoms. Always follow your doctor's advice regarding the appropriate dosage and potential side effects.
Descend if necessary
If AMS symptoms become severe or do not improve after resting, it is crucial to descend to a lower altitude as soon as possible. Delaying descent can lead to life-threatening complications, such as High Altitude Cerebral Edema (HACE) or High Altitude Pulmonary Edema (HAPE).
By taking these precautions and being aware of the signs and symptoms of altitude sickness, you can minimize the risks and enjoy a safer, more enjoyable trek in the Everest region.
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