Drugs other than those listed here may also interact with acetazolamide. If you notice other effects not listed above, contact your hvor kan man kobe acetazolamide online doctor or pharmacist. In this prospective, double-blind, randomized, placebo-controlled trial, acetazolamide at 125mg bid or placebo was given to approximately 200 healthy trekkers to Mount Everest. It is contraindicated in patients with cirrhosis because of the risk of development of hepatic encephalopathy. Randomised, double blind, placebo-controlled comparison of ginkgo biloba and acetazolamide for prevention of acute mountain sickness among Himalayan trekkers: the prevention of high altitude illness trial PHAIT. For example, the pressure of oxygen at sea level is roughly 100mm Hg, whereas at Mount Everest, this pressure would be 50 mm Hg. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.