4-year-old baby appeared 37.5 ℃ low fever lasted for 1 week, may be due to functional hypothermia, infectious diseases, malignant diseases and other causes, can be intervened through the general treatment, drug therapy and other measures.
1. Functional hypothermia: children due to the thermoregulatory center development is not yet perfect, there may be summer hypothermia and other conditions, resulting in long-term body temperature in the state of hypothermia, can be adjusted through the diet to increase nutrition, pay attention to the temperature of the living environment, and other measures to promote the alleviation of fever symptoms. This symptom is self-limiting and usually disappears with age.
2. Infectious diseases: When pharyngitis or cold occurs, persistent fever may occur, which may be high or low, and may be combined with cough and other symptoms. Symptomatic management can be done by using antipyretic drugs such as acetaminophen; if bacterial infection is present, antibiotics such as cefotaxime can be used for intervention.
3. Malignant diseases: After the occurrence of malignant diseases such as leukemia and lymphoma, persistent low-grade fever may also occur, but it is usually combined with anemia and abnormal bleeding. The treatment of such diseases requires a combination of interventions using chemotherapy, radiotherapy, bone marrow transplantation and other measures.
When persistent fever occurs, it is recommended to go to the hospital in time; the above drugs need to be used under the guidance of the clinician.