37.3~37.4°C every day as soon as the afternoon may be physiological reasons (activity, diet, etc.) or pathological reasons (tuberculosis, tumor, etc.), which need to be analyzed specifically.
1. Physiological reasons: human body temperature fluctuates during the day, and the afternoon body temperature will be higher than the morning body temperature, and exercise, diet, emotion, menstruation also has a relationship, so it is possible that the afternoon body temperature is 37.3~37.4℃.
2. Pathological causes: 37.3 ~ 37.4 ℃ in the afternoon for the afternoon low fever, common in tuberculosis infection, but also in the tumor, endocrine system diseases.
There are many reasons for 37.3~37.4 ℃ in the afternoon every day, it is recommended to go to the hospital in time for a clear diagnosis to avoid delaying the condition.