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What are risks of using NSAIDs for altitude sickness relief?

April 5, 2026

Quick Answer

Using NSAIDs for altitude sickness relief poses a risk of worsening renal function, potentially leading to acute kidney injury, especially at high elevations above 8,000 feet. NSAIDs also increase cardiovascular risk, which can be severe at high altitudes. This combination of risks outweighs the potential benefits of NSAIDs for altitude sickness.

Complications of NSAID Use at High Altitude

NSAIDs, such as ibuprofen and naproxen, can exacerbate the cardiovascular and renal effects of high altitude. At elevations above 8,000 feet, the risk of acute kidney injury increases, and NSAID use can accelerate this process. In addition, the use of NSAIDs at high altitude can lead to excessive sodium retention, exacerbating high blood pressure and further straining the kidneys.

Renal Function and Altitude Sickness

Altitude sickness, particularly HAPE (High Altitude Pulmonary Edema) and HACE (High Altitude Cerebral Edema), can compromise renal function due to hypoxia (low oxygen levels) and increased blood pressure. NSAIDs can further compromise renal function, increasing the risk of acute kidney injury and potentially worsening the symptoms of altitude sickness. At high elevations, the risk of renal failure is already elevated, and NSAID use can accelerate this process.

Alternative Treatments for Altitude Sickness

For altitude sickness relief, consider acetazolamide (Diamox), which can help reduce the symptoms of high-altitude illness by increasing ventilation and reducing fluid buildup in the lungs. Dexamethasone may also be used in some cases to reduce inflammation and swelling. In severe cases, supplemental oxygen and medical evacuation may be necessary. Always consult a doctor or medical professional before using any medication for altitude sickness.

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