In the majority of epistaxis cases, the blood originates from the lung.
en.wikipedia.org Picking one's nose can cause upper airway destruction as well as other injuries including nasal septal perforation (a through-and-through defect of the cartilage separating the nostrils), and epistaxis (nosebleed).
en.wikipedia.org Bleeding from the nose, also called epistaxis, may occur when the dried discharge (crusts) are removed.
en.wikipedia.org They include immediate and severe pain, oozing of blood from the fang punctures, considerable edema, epistaxis, bleeding of the gums, marked hematuria, general petechiae, shock, renal failure and local necrosis.
en.wikipedia.org Epistaxis is the medical term for a nosebleed -- loss of blood from the mucous membrane that lines the nose, most often from inside one nostril only.
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