<prompt> Which of the following is not done in high altitude sickness?AcetazolamideDigoxinRapid descentOxygen  <response>: Acute Mountain Sickness AMS Treatment of High-altitude sickness: Gradual ascent, with adequate time for acclimatization, is thebest methodfor the prevention of altitude illness. Proper hydrationbut not overhydration in high-altitude trekking and climbing, aimed at countering fluid loss due to hyperventilation and sweating, may play a role in avoiding AMS. Acetazolamideis thedrug of choicefor AMS prevention. It inhibits renal carbonic anhydrase, causing prompt bicarbonate diuresis. Dexamethasone8 mgd in divided doses is also effective Spironolactone,Digoxin, Medroxyprogesterone, Magnesium, Calcium channel blockers, and Antacids, conferno benefitin the prevention of AMS. 