Medically reviewed by Femi Aremu, PharmD Altitude sickness refers to symptoms of low oxygen, which may happen at elevations at least 8,000 feet above sea level. Symptoms may range from mild to severe.

In addition, all patients received an intravenous dexamethasone dose of 16 mg/day (8 mg every 12 h) as well as a single intravenous (iv.) dose of omeprazole (40 mg) on each day of chemotherapy ...

Corticosteroids can produce an improvement in neurologic symptoms and reduction in cerebral edema within the first 8 to 48 hours ... doses as high as 100 mg per day of dexamethasone have been ...