Why is it difficult to breathe in high altitudes?

Answered by 1 Apollo Doctors

Dr Yusuf Mohammad

General Practitioner

MBBS
8+ Yrs

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At higher altitudes such as on top of a mountain, the air is less dense and this means that the partial pressure of oxygen is lower. Hence, the fall in atmospheric pressure at higher altitude decreases the partial pressure of inspired oxygen

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Answered 24/07/2025

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.