Common causes of Low-grade fever symptom from a list of 65 total causes of symptom Low-grade fever. Discussions By Condition: I cannot get a diagnosis. Persistent low-grade fever. I have low-grade fevers pretty much everyday at the same time, most of the time. Low-Grade Fever Information Including Symptoms, Diagnosis, Treatment, Causes, Videos, Forums, and local community support. Find answers to health issues you can trust from kiraplastinina.us