Why do some people get a lot of nosebleeds?

Many reasons: Some have bleeding disorders, some have allergies, some have very dry noses. Nosebleeds are very common.

Various 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.