'Nose bleed'

Aetiology

Local causes

• Idiopathic
• Trauma
• Foreign bodies
• Inflammation
• Tumour

Systemic causes

• Drugs - e.g. Warfain, aspirin
• Clotting abnormalities
• Liver disease
• Haemophilia
• Leukaemia
• Thrombocytopaenia
• Arteriosclerosis
• Hereditary haemorrhagic telangectasia
• Systemic inflammatory conditions
• Wegner's granulomatosis
• Hypertension - causes prolonged bleeding but not primary cause of epistaxis