Grading of AMS

Non-drug therapy

Drug therapy

Mild

Stop ascent
Rest ,Acclimatize at same altitude
Relaxation, consider descent 500m or more

Analgesics
Antiemetics
Acetazolamide [125-250mg BD]

Moderate




Severe [HACE]

Immediate descent
Hyperbaric therapy



see in the HACE

Low flow O 2
Acetazolamide [125-250mg BD]
-/+Dexamethasone [4mg PO ,IM or IV q6h]