A member asked:

Why my son's nose bleed when humid?

A doctor has provided 1 answer

Friable membranes: It is more common to have nosebleeds in dry conditions unless allergies play a part. If it is hot and humid and you spend most of your time in a/c that could be drying causing the nasal membranes to crack and bleed.

Answered 9/16/2013

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