Altitude Illness Guide

Read this before using the tool

• This is an educational and clinical decision-support tool. It does not replace professional medical assessment or clinical judgment.
• Suspected HACE or HAPE — or any other emergency — needs urgent medical evaluation and emergency assistance.
• Medication information here is general adult reference only. Confirm every dose, contraindication, and duration against appropriate clinical guidance and the individual's own circumstances.
• Never delay descent, emergency care, or calling for help because of anything this app shows.