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What are some causes of nasal bleeding?

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Quick Answer

Dry air, frequent nose blowing, certain medications, high blood pressure or cancer may cause nasal bleeding, notes Healthline. Other causes of nose bleeding include an upper respiratory infection, a bleeding disorder and a blood clotting disorder. A patient with frequent nosebleeds should consult a doctor.

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Full Answer

Cold air, living in a dry climate area or using a central heating system can dry out the nasal membranes, resulting in crusting inside the nose, explains Healthline. Crusting may cause irritation that may induce the patient to pick or scratch the nose, which may lead to nose bleeding.

Drugs such as decongestants and antihistamines that are used to treat sinus problems, allergies or colds can cause nasal membranes to dry out, which may cause a nose to bleed in case of nose picking, notes Healthline. Large doses of aspirin can also trigger the bleed.

Injuries as a result of a fall, a punch in the face or a car accident may cause nose bleeding, according to Healthline. These injuries can fracture the skull, break the nose or cause internal bleeding. Other causes of nose bleeding include chemical irritants, objects that are stuck in the nose, frequent sneezing and an allergic reaction. A patient with a nosebleed that lasts for more than 20 minutes or occurs after an injury should seek immediate medical attention.

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