What Are Nosebleeds A Symptom-various aspects- A nosebleed occurs when a blood vessel in the nasal lining ruptures. Nosebleeds can be triggered by infections, trauma, allergic reactions, nose picking, or by inserting an object into the nostril. Epistaxis is another term for a nosebleed. Nasal bleeding is frequent in children and is typically not a … Continue reading What Are Nosebleeds A Symptom