Disease Guide: Diagnosis, Symptoms & Clinical Treatment Protocols

For patients and caregivers, understanding clinical progression, diagnostic imaging results, and pharmacological treatment options is vital for managing acute and chronic health conditions.

Low angle view of a person climbing a mountain

What Is "Dex" in Mountain Climbing?

Known among mountaineers as “dex,” dexamethasone is a steroid used to treat high-altitude cerebral edema. Every year about 2 percent of mountain climbers suffer from this life-threatening condition, according to Ken Kamler’s 2005 article, “Steroids on Everest” on the National Geographic website.

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