Blood in the nose is usually caused by bad habits, nasal inflammation, nasopharyngeal tumors and other reasons.
1. Bad habits: due to the frequent use of pointed fingernails to pick the nose, digging the nose, resulting in damage to the mucous membrane of the nasal cavity, triggering the expansion or rupture of blood vessels under the mucous membrane of the nasal cavity, so there is a situation of blood in the nose.
2. Nasal inflammation: If contact with allergens or due to viral and bacterial infections, resulting in rhinitis, sinusitis, allergic rhinitis and other diseases. The stimulation of allergens or inflammation will cause congestion and swelling of nasal mucosa, which will cause abnormal expansion or rupture of blood vessels under the mucosa, so the phenomenon of blood in the nose appears.
3. Nasopharyngeal tumor: The symptom of nasopharyngeal tumor is blood in the ligament after inhalation or blood in the runny nose. Nasopharyngeal tumor in the early stage is a small amount of blood in the nose, and the amount of bleeding will be increased in the middle and late stage.
There are many reasons for blood in the nose, it is recommended to go to ENT department for consultation, to clarify the cause of the disease, and actively treat it under the doctor’s guidance.