Whats the correct way to stop a nosebleed in a teenager?where is blood coming from? will it stop or can you hemmorage? the dr said allergys causes it

EPISTAXIS:: Blood comes from ''kiesselbach plexus" of capillaries at anterior nasal partition where external ; internal carotid capillaries converge. Common causes: digital trauma, dry air, inflammation/infection/uri, sinusitis, allergic rhinitis, too much use of nasal steroid, etc. To stop: sit up, lean forward, pinch nose x 9 min, use cold compress. If no response, use otc afrin, see ENT next morning.

Nosebleeds: Hello, the blood vessels in the front of your nose are very close to the mucosal surface. As air travels in and out of your nose, it can cause irritation. Other triggers include picking at the nose, allergy, intranasal medications, nasal oxygen administration recreational drugs, bleeding disorders, blood thinning medications and... Yes hypertension. Have your blood pressure checked to see if high.