Epistaxis

DDx

• Nasal trauma, eg, nose picking, forceful nose blowing, foreign body
• Allergic rhinitis or viral rhinitis
• Dry nasal mucosa
• Deviated septum
• Chronic sinusitis
• Inhaled steroids
• Cocaine use
• Alcohol use
• Antiplatelet drugs, eg, aspirin, clopidogrel
• Thrombocytopenia, eg, idiopathic thrombocytopenic purpura, thrombotic thrombocytopenic purpura
• Hemophilia
• Hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu syndrome)
• Polycythemia vera
• Leukemia
• Wegener’s granulomatosis
• Nasal tumor