Low fever 37.3 to 37.5 for 3 months, there are organic causes, functional low fever, physiological low fever, etc..
1. Organic causes: Infectious diseases can cause low fever, such as tuberculosis, chronic viral hepatitis, syphilis and other diseases; non-infectious diseases can also cause low fever, such as hyperthyroidism, rheumatic fever, lupus erythematosus, hematological diseases, tumors and other diseases.
2. Functional low fever: low fever can be caused by weather and vegetative nerve dysfunction, but functional low fever patients have normal checkups and their health is not affected by long-term low fever.
3. Physiological high body temperature: Pregnant women and people with high temperature work cause low fever because they are in a high temperature environment, and once they leave the high temperature environment or give birth, their body temperature will return to normal.
Low fever 37.3 to 37.5 have 3 months, there are organic causes, functional hypothermia, physiological hypothermia, etc., if in the exclusion of functional hypothermia, physiological high body temperature, it is recommended to consult a doctor in time, the cause of the treatment.