What causes low-grade fever?

A low-grade fever typically refers to a body temperature that is slightly elevated, usually between 99°F (37.2°C) and 100.9°F (38.3°C). There are many possible causes of low-grade fever, including: Infections: Common cold, flu, urinary tract infection, pneumonia, and sinusitis are some of the infections that can cause a low-grade fever. Autoimmune diseases: Certain autoimmune disorders […]

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