What are the symptoms of viral hemorrhagic fever?

The symptoms of viral hemorrhagic fever are varied and severe, mainly including the following aspects: 1. Fever: Patients often experience a sudden onset of illness, accompanied by high fever and chills, with body temperature frequently exceeding 39℃. The fever typically lasts for a prolonged period, generally persisting for 1-7 days. Higher temperatures and longer durations of fever indicate more severe disease. 2. Bleeding and rash: During the progression of the disease, patients may develop skin congestion and redness, particularly evident on the face, neck, and chest; in severe cases, a "drunken appearance" may be present. Skin hemorrhages are commonly seen under the armpits and on the chest and back, appearing as scratch-like marks or linear or punctate bruises. Mucosal bleeding is also common, such as patchy hemorrhages of the conjunctiva or pinpoint hemorrhages on the soft palate. Some patients may also experience symptoms such as nosebleeds, hemoptysis (coughing up blood), black tarry stools, or hematuria (blood in urine). 3. Pain and discomfort: Patients often feel fatigued and weak, with generalized body pain, including headache, orbital pain, backache, and joint and muscle pain throughout the body. Joint pain is often migratory, worsening with movement and more severe in the morning. The skin also becomes sensitive, sometimes causing pain upon exposure to light. If you have any concerns, please consult a relevant healthcare professional.