Share Facebook Twitter LinkedIn Email Telegram WhatsApp A common condition affecting individuals at high altitudes, characterized by symptoms such as headache, nausea, dizziness, and fatigue, due to the body’s struggle to adapt to reduced oxygen levels at altitude. Synonyms: AMSRelated Articles: Big Mountain BalanceExpedition Nutrition TipsPractical Advice for Using O2 Sat Meters on ExpeditionsWhy We Stopped Relying on HRV AppsTraining for Trail Running: Environmental Influences and Running in Extremes