A nosebleed can be a serious condition if you ... and fights can cause a bloody nose that becomes a medical emergency. A severe injury to the nose may swell and make breathing difficult.

"About 60% of people will have at least one nosebleed in their lifetime. Only about 10% of cases are severe enough to require medical treatment," the Clinic reports. Nosebleeds can be caused by a ...

A fifty-one-year-old man entered the hospital complaining of severe nosebleed. Six months before admission he first noted undue fatigability, anorexia and malaise. These symptoms increased during ...