Swelling of face and distal extremities is common (20% of trekkers at 14,000ft)
Often associated with acute mountain sickness, but not in all cases
High altitude peripheral edema
Acute mountain sickness
High altitude pharyngitis and bronchitis
Chronic mountain sickness
High altitude cerebral edema
High altitude pulmonary edema
Immersion pulmonary edema
High altitude retinopathy