Old nosebleeds should be alert to rhinitis, nasal swelling, hypertension, thrombocytopenic purpura, aplastic anemia and other diseases.
1. Nasal diseases: frequent nosebleeds may be related to some nasal diseases, such as rhinitis, nasal sinus tumors, etc., which can lead to swelling and congestion of the nasal cavity and the phenomenon of nosebleeds.
2. Hypertension: Nosebleeds caused by high blood pressure occur early in the morning, or after activities, because the bleeding site in the posterior nasal tract, coupled with high blood pressure, poor vascular elasticity, bleeding is generally more violent.
3. Thrombocytopenic purpura, aplastic anemia, etc.: blood disorders are often the earliest symptom of nosebleeds, and you should always be vigilant.
Nosebleeds may have other causes, it is recommended that patients with recurrent nosebleeds consult a professional doctor in time for diagnosis and treatment.