Persistent (chronic) fevers are typically defined as fevers lasting more than For infants under 3 months old, even a slightly higher than normal.
Fever in Adults - Learn about the causes, symptoms, diagnosis & treatment from the MSD Last full review/revision February 2019 by Larry M. Bush, MD, FACP.
Some of the most common respiratory infections, such as a cold or the flu, may cause a low grade fever that lasts for as long as the body takes.
For an adult, a fever may be uncomfortable, but usually isn't a cause for the ages of 6 months and 5 years might experience febrile seizures. and has a rectal temperature higher than 102 F (38.9 C) that lasts longer than.
Welcome to this symptom guide about fever. Sorry to hear you have a fever! This guide is intended for adults who have an abnormally elevated.