“…Among the systemic ones we can mention arterial high blood pressure, coagulopathy, blood disorders and the use of anticoagulant and anti-platelet adhesion factors. The most frequent local factors are: trauma (nasal fractures or finger manipulation), upper airway infections, cold and dry air breathing, nasal allergies, introduction of foreign bodies in the nasal cavity, septal perforation or deviation, tumors (juvenile nasoangiofibroma), blood vessel atherosclerosis at the Woodruff plexus and the Osler-Rendu-Weber disease or systemic telangiectasia 2,4,[13][14][15] .…”