Blood sedimentation 75mm/hour recurrent fever is more serious, there may be acute infection, oncological disease, active tuberculosis and so on. Acute infections need to identify the site of infection and be treated with antibiotics such as amoxicillin, while oncological diseases need to be treated with chemotherapy and surgery according to the specific type, and active tuberculosis needs to be treated with drugs such as isoniazid. 1. Acute infection: all kinds of pathogen infection may be manifested as rapid blood sedimentation, recurrent fever, accompanied by cough, sputum, diarrhea and other symptoms of the infection site, but also can be found in the C-reactive protein and other indicators of elevation and signs of infection, you need to comply with the instructions of the use of amoxicillin and other sensitive antibiotic treatment, only after the infection is controlled the fever symptoms will gradually recover. 2. Tumor disease: multiple myeloma, malignant lymphoma and other fast-growing tumors can show fast sedimentation rate, which may be related to tumor cell secretion of glycoproteins, necrosis of tumor tissues, secondary infections or anemia, etc. Meanwhile, tumor fever is also common. Meanwhile, recurrent fever is also common in tumor fever, which needs comprehensive treatment such as surgery, radiotherapy and chemotherapy after clear diagnosis. 3. Active tuberculosis: it is often accompanied by low fever, night sweating (abnormal sweating after going to sleep and stopping sweating after waking up), cough and sputum, etc. It needs to be clarified by lung CT and sputum smear, etc., and be treated with anti-tuberculosis medicines such as isoniazid and rifampicin. Blood sedimentation of 75mm/hour and recurrent fever are more serious symptoms, and it is recommended to consult a doctor in time and follow the doctor’s instructions to clarify the cause of the disease.