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What should I do if I suspect someone has altitude sickness?

April 6, 2026

Quick Answer

If you suspect someone has altitude sickness, have them rest, drink water, and eat food to replenish lost salts, and seek medical help if symptoms worsen or persist. Monitor for signs of severe altitude sickness, such as severe headache, vomiting, and shortness of breath. Move to a lower altitude if possible.

Recognizing Altitude Sickness Symptoms

Altitude sickness, also known as acute mountain sickness, occurs when the body cannot adapt to high elevations quickly enough. It’s essential to recognize the symptoms, which can range from mild to severe. Mild symptoms include headaches, fatigue, and nausea, while severe symptoms include confusion, shortness of breath, and chest pain. If someone is experiencing any of these symptoms, have them rest and drink plenty of water to replenish lost salts.

Treating Altitude Sickness

If someone is experiencing mild altitude sickness, it’s essential to have them rest and drink water to replenish lost salts. Encourage them to eat food, such as electrolyte-rich snacks, to help replenish lost salts. If symptoms worsen or persist, seek medical help immediately. Medications such as acetazolamide (Diamox) can help alleviate symptoms, but it’s essential to consult with a doctor before taking any medication.

Preventing Altitude Sickness

To prevent altitude sickness, ascend slowly and give the body time to adapt to the change in elevation. Aim to ascend no more than 1,000 feet (305 meters) per day, and take regular breaks to rest and drink water. It’s also essential to stay hydrated by drinking at least 2-3 liters of water per day. Monitor the weather and be prepared for changing conditions, and consider carrying a portable oxygen tank as a precaution.

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