Prescription-only acetazolamide has long been standard prevention for acute mountain sickness. A new study just published in Wilderness & Environmental Medicine suggests ibuprofen works equally well to stave off the most common malady: the dreaded high altitude headache. The randomized, double-blind trial was completed in the Nepal Himalaya under the auspices of Himalayan Rescue Association. Test dose: 600 mg starting the day before ascent.
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