Patients with fever and nosebleed symptoms may be caused by the following factors: 1. It is possible that the fever and nosebleed symptoms are caused by upper respiratory tract infection. When the upper respiratory tract is infected by bacteria, the brittleness of the nasal mucosa increases and the nasal mucosa is also prone to dryness, so the capillaries in the nasal cavity are prone to rupture, thus causing patients to have fever and nosebleed This causes fever and nosebleeds. The patient will also have nasal congestion and runny nose, or sore throat and other symptoms of upper respiratory tract infection. 2, may also be caused by blood diseases and symptoms of fever and nosebleeds, the more common clinical is leukemia. When a patient has a fever with nosebleeds, he should go to the hospital for a routine blood test to clarify the diagnosis. If the bleeding is heavy, he should take Yunnan Baiyao and other hemostatic drugs to stop the bleeding.