 [ Symptoms ] i have adult polycyclic kidney disease ache in lower abdomen is it normal [ Disease ] a fever is the body is normal response to fighting off a pathogen virus bacteria or respond to inflammation there can be hundreds of reasons for a child to get a recurrent fever but in most cases it tends to be one or more of the over 200 respiratory viruses fevers are not dangerous but finding the reason is important so i am glad you are seeing his doctor