What does "Low-grade fever" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
A low-grade fever is a mild increase in body temperature, usually between 98.7°F and 100.4°F. It's often a sign that the body is fighting off an infection or illness. Unlike high fevers, which can be dangerous, low-grade fevers are typically not harmful. They can be caused by a variety of conditions, from common colds to more serious diseases.
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