The normal human oral temperature is between 36.2°C and 37.3°C, with 37.4 degrees considered a fever in adults. The causes of fever are mainly infectious diseases and non-infectious diseases.
1. Infectious diseases: Infectious diseases are mainly caused by infections of microorganisms such as bacteria, viruses and fungi. The release of exogenous pyrogens by these microorganisms causes the release of endogenous pyrogens, leading to an increase in body temperature. In adults, 37.4 degrees is considered a fever and may be caused by the above mentioned etiologies.
2. Non-infectious diseases: 37.4 degree fever in adults may be caused by decreased heat dissipation from the skin due to generalized dermatitis, or it may be caused by the metabolic disease hyperthyroidism, which increases the amount of thyroid hormones in the body and makes the body temperature rise slightly.
There are many other causes of 37.4 degree fever in adults, patients should pay attention to this, go to the hospital as soon as possible, by the doctor according to the specific conditions, to develop individualized diagnosis and treatment plan, so as not to delay the condition.