Some causes of a low-grade fever include the common cold, the flu, a stomach virus, or a UTI. But a low-grade fever in itself isn't necessarily a reason to worry, since a slightly elevated ...

Colds or the flu are caused by viruses and particularly cause a low-grade fever that lasts more than a few days. A few symptoms would include runny or stuffy nose, sore throat, constant sneezes ...

When you first start coughing, feel fatigued, and notice a low-grade fever ... or mouth after touching something (e.g., a doorknob or toy) that is contaminated with a cold-causing virus.