Prolonged subfebrile fever syndrome is a condition in which the body temperature remains between 37.1 and 37.9 degrees for several weeks or months. If there are no signs of a cold or other illness, it is worth seeing a doctor, as this condition may indicate serious health problems.
Symptoms and manifestations of long-term subfebrile syndrome
In long-term subfebrile syndrome, the body temperature may be constantly high or drop periodically, for example during sleep.
Patients are also bothered by symptoms such as:
• constant weakness;
• lethargy and apathy;
• lack of appetite;
• excessive sweating;
• irritability and nervousness;
• skin redness.
Sometimes there is insomnia, digestive problems, and other symptoms. Other clinical manifestations (pain, discomfort, etc.) may also be present, depending on the origin of the subfebrile fever.