An increasing trend is to use dexamethasone for “summit day” on high peaks such as Kilimanjaro and Aconcagua, in order to prevent abrupt altitude illness.
Amazing. I found Kilimanjaro to be the easiest big peak that I've ever done. Although I carried Diamox, I did not consume it. I had been closely monitoring my vital signs, and I never saw any stress, so I never started it. Most climbers never monitor, so they don't know whether they are stressed or not. Two on the same trip had to be re-routed or evacuated due to AMS.
