Causes
Causes include:
- Irritation or breakage to the lining of the nose
- Injury to the nasal tissue, which occurs more easily when nasal structure is not normal or the passages are inflamed due to a cold or allergies
- Exceptionally dry nasal tissue
- Picking or bumping the nose
- Forceful blowing or rubbing the nose
- A clot from a previous nosebleed becoming disturbed or dislodged
- A foreign object placed in the nose
- Tumors of the nose and/or sinuses
- Hypertension (high blood pressure)
- Use of aspirin or other blood thinning (anticoagulant) medications
- Other causes of tendency toward excessive bleeding, including hemophilia
Risk Factors
A risk factor is something that increases your chance of getting a disease or condition. Risk factors for nosebleed include:
- Irregularity in the structure of the nose
- Abnormalities of the blood vessels in the nose (angiomas)
- Dry climate
- Winter, with dry, heated indoor air
- Allergies
- Colds
- Sinusitis
- Infections including:
- Diseases including:
- Childhood and advanced age
- Cocaine use
- Lupus
-
Bleeding or clotting disorders including those due to:
- Leukemia
- Liver disease
- Aplastic anemia
- Low platelet counts
- Hemophilia
- Cancer treatment
- Anticoagulant (blood-thinning) drugs, including aspirin
- High blood pressure
Improved
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