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The muscous membrane in the nose is very thin, and what's more, it's highly infused -- there are lots of blood vessels there. So injuries -- scratches, abrasions, etc. that would only bruise another part of the body will break the skin in the nose. Even just rubbing the nose can sometimes make it bleed. Chronic, frequent nosebleeds are more common in younger patients. Two other causes of frequent nosebleeds are exposure to dust or powders that dry the membrane and make it more fragile and -- in some cases -- a highly elevated blood pressure can cause nosebleeds. it is when the blood comes out of the nose or when some one is hurt badly.

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16y ago

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