Aug 30, 2018 · A persistent low-grade fever isn’t usually cause for concern. It will typically go away on its own. We’ll tell you some of the possible causes, from minor infections to more serious (but also.
The underlying causes of fatigue and a low-grade fever range from common viral infections to autoimmune diseases to life-threatening cancers. Persistent fatigue and an unexplained fever warrant medical evaluation to determine the underlying cause and appropriate course of treatment.
Sep 11, 2019 · It can be either a low- or high-grade fever, so don't brush off a persistent, low-grade fever just because it isn't high. If your low-grade or high-grade fever is very persistent, it's important to see your doctor to determine the cause of the fever.
A Regular Fever vs. a Low-Grade Fever (LGF) You can monitor your fever by simply taking your temperature. A low-grade fever is often classified as an oral temperature that is above 98.6° F (37° C) but lower than 100.4° F (38° C) for a period of 24 hours.1 A fever of 103° or .