There are many reasons why teenagers have nosebleeds, such as external injury, nasal septal disease, rhinitis, nasal foreign body, tumor and other diseases.
1. External injury: surgery, trauma, nose picking, can lead to damage to the mucous membrane in the nasal cavity, causing nosebleeds.
2. Nasal septum diseases: deviated nasal septum, perforated nasal septum, etc., can also trigger nasal mucosa erosion, dryness, etc., secondary nosebleed.
3. Rhinitis: atrophic rhinitis, acute and chronic rhinitis, etc., is also one of the important causes of nosebleed.
4. Nasal foreign body: Mostly due to foreign body damage to the mucous membrane, secondary infection and other reasons leading to nosebleed.
5. Tumor: Nasal sinus hemangioma, inverted papilloma, etc., can lead to the symptoms of nosebleed in adolescents.
6. Other diseases: such as blood disease, scarlet fever, hypertension and other systemic diseases, can also appear symptoms of nosebleed.
Therefore, in daily life, we need to pay attention to keep the nasal cavity clean and moist, do not pick the nose, and prevent colds. Once the symptoms of nosebleed occur frequently in adolescents, it is necessary to pay attention to it and seek medical treatment as soon as possible.