Possible Causes of a Nosebleed

Gender of the patient

Age of the patient

• have arterial hypertension, coarctation of the aorta or other cause of an elevated arterial pressure?

• heart failure, superior vena cava syndrome, cor pulmonale or other cause of elevated venous pressure?

• in a high pressure environment?

• in a low pressure environment?

• in a low humidity environment?

• been exposed to a chemical irritants?

• have thrombocytopenia?

• have coagulation factor defect (congenital or acquired)?

• taking coumadin and/or heparin therapy?

• taking aspirin or other anti-platelet medications?

• have an acquired platelet dysfunction?

• been nosepicking?

• had blunt or penetrating trauma to the face or nose?

• facial or nasal fracture?

• have an intranasal foreign body?

• had recent ENT surgery?

• have a vasculitis (Wegener's other)?

• have hereditary hemorrhagic telangiectasia or other vascular malformation?

• have scurvy?

• been taking corticosteroids?

• have an angioma, fibroma or other benign tumor?

• have a malignant tumor of the nares?

• have leukemia?

• have an upper respiratory viral infection?

• have a bacterial infection affecting the upper respiratory tract?

• have zygomycosis or other fungal infection in the nares?

• been coughing and/or sneezing a lot?

• have rhinitis sicca?

• been recently exerting physically?

• have a nasal septal perforation?

• have allergic rhinitis?

• pregnant?

• had radiation therapy or exposure?