KnowraNosebleedLinked fromLinked fromThe 8 pages that link to Nosebleed, each with the reason it gives.All 8Related 6Compared with 2Gastrointestinal bleedingCompared with: Swallowed nasal blood can resemble gastrointestinal bleeding or cause dark stool.Runny noseCompared with: Blood from the nostrils is distinct from mucus or watery nasal discharge.