What is the reason for a child's nosebleed?

Patient's question:

No

Doctor's answer:

There are many reasons for children's nosebleeds, both local and systemic. Local causes include nasal trauma, anterior rhinitis, nasal foreign bodies, and nasal angiofibromas. Systemic causes include upper respiratory tract inflammation, aplastic anemia, thrombocytopenic purpura, liver cirrhosis, vitamin C deficiency, hemophilia, and leukemia.