Why does a nose bleed?

Irritation anatomy. There are very large superficial vessels in the front of everyone's nose. These vessels are easily opened by local trauma. Picking, dryness, infection, rubbing, tissues can all cause irritation and ultimately bleeding. It's always worse in the cold and dry air of winter. People with anatomic abnormalities of the nose such as septal deviation have worse bleeding problems.
Many reasons. Nose bleed reasons: nasal congestion or nasal dryness, ^ blood pressure, excessive use of decongestants, being at ^ altitude, trauma to nose, nose picking, or blowing the nose hard. Bacterial & viral infections can ^ risk as well as bleeding disorders. Recurrent nose bleeds may be due to broken vessel in the nose. Alcohol / Cocaine abuse can cause nose bleeds, as can tumors.

Related Questions

Why does my nose bleed after I blow it? It starts to ich & then it starts to bleed.

Epistaxis . Is nose bleed. It can happen with nasal allergies(running nose, sneezing, or itchiness), dryness in nose , getting hit on nose (sneezing is a way of getting hit in nose- lots of force when sneezing). This cause capillaries to bleed. Take zyrtec, apply vaseline inside nose. Hope it helps. Read more...

Why does my nose bleed frequently, even though my nasal cavalries are not irritated or dry? I've been to a doctor, but he doesn't know why.

Various reasons. You could have a bleeding disorder that makes it more likely for you to bleed. Certain medications can cause you to bleed more easily. You may need to have blood work and/or an ENT evaluation. Read more...

Why my nose bleed?

Nosebleeds. Nosebleeds can be caused by dryness and crusting, foreign bodies, tumors, septal deviations, infections and a number of other causes. Asa or nasaids make it harder to stop. You can try Bacitracin ointment but if it persists or is severe see an ENT doc for answers , . Read more...
Nose Bleeds. Nose bleed reasons: nasal congestion or nasal dryness, ^ blood pressure, excessive use of decongestants, being at ^ altitude, trauma to nose, nose picking, or blowing the nose hard. Bacterial & viral infections can ^ risk as well as bleeding disorders. Recurrent nose bleeds may be due to broken vessel in the nose. Alcohol / Cocaine abuse can cause nose bleeds, as can tumors. Read more...