Altitude sickness, often called mountain sickness, occurs when individuals ascend to high altitudes too quickly. The body struggles to acclimatize to thinner air, leading to symptoms like headaches, nausea, and fatigue. Severe cases can result in more serious health issues if not addressed promptly.

Altitude Sickness FAQ


What causes altitude sickness?

Altitude sickness is primarily caused by reduced oxygen levels at high elevations, leading to insufficient oxygen absorption by the body.

What are the common symptoms of altitude sickness?

Common symptoms include headaches, nausea, dizziness, shortness of breath, and fatigue.

How can I prevent altitude sickness?

Gradual ascent, staying hydrated, and avoiding alcohol can help prevent altitude sickness.

Is altitude sickness serious?

Yes, altitude sickness can become serious if not treated, potentially leading to conditions like high altitude pulmonary edema (HAPE) or high altitude cerebral edema (HACE).

How quickly can altitude sickness develop?

Symptoms can develop within hours of reaching high altitudes, especially above 2,500 meters.

Can everyone develop altitude sickness?

Yes, anyone can develop altitude sickness, but those who ascend rapidly or have a history of the condition are at greater risk.

What should I do if I experience symptoms?

If you experience symptoms, it is vital to descend to a lower altitude and rest while staying hydrated.

Can medications help with altitude sickness?

Yes, medications like Diamox can promote acclimatization and alleviate symptoms of altitude sickness.

When should I seek medical attention for altitude sickness?

If symptoms worsen or don't improve after descending, seek medical attention immediately.

Are there any natural remedies for altitude sickness?

Ginger tea, garlic, and certain herbal supplements may provide relief, but always consult a healthcare professional before trying them.

What elevation is considered high altitude?

Generally, locations above 2,500 meters (8,200 feet) are considered high altitude.

Can I acclimatize to high altitude?

Yes, spending time at intermediate elevations allows your body to adjust and reduces the risk of altitude sickness.

Does exercise help prevent altitude sickness?

Regular cardiovascular activity can enhance overall fitness, which may help with acclimatization but isn't a complete prevention method.

What should I take with me on high-altitude trips?

Carry medications for altitude sickness, plenty of water, snacks, and proper gear to manage the cold.

Is altitude sickness genetic?

Research suggests there may be a genetic component that affects susceptibility, but lifestyle factors and previous exposure play a significant role too.

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Information provided by Dr. Nithya Priya Raju. Reviewed by Dr. Mohamed El Khouly