Source: Chulalongkorn Hospital, Thai Red Cross Society
Nosebleed (epistaxis) is bleeding from the nose, divided into 2 parts: bleeding from the front of the nose. And nasal bleeding from the back of the nasal cavity has a more dangerous cause than bleeding from the front of the nose. So when the nose bleeds It could be a warning sign of diseases such as
1. Tumor
cause: Cancer or benign tumors that are supplied by blood vessels. It occurs in the nose, sinuses, or behind the nasal cavity.
symptom: Occasionally bleeding or a large amount of nosebleed, you should undergo a nasal endoscopy. or x-rays for diagnosis
2. Irritation or injury to the nose
cause: Often picks nose, gets punched on the nose Blows nose hard in dry air and rapid changes in air pressure, such as when boarding an airplane.
symptom: Usually not much blood is drawn. And for a short period of time, you may experience bleeding and bruising near the time of recovery.
3. Inflammation in the nasal cavity
cause: From viral infections, allergies, sinusitis, using an air compressor while sleeping
symptom: There’s blood mixed with the mucus.
4. Anatomical anomalies
cause: Nasal septum crooked or has a bony growth in the wrong place Including having a hole running through it, causing an imbalance in the air.
symptom: Blood often flows into the nose itself. and recurs in areas where the nasal septum is deviated or has bony growth.
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