why does a higher temperature cause
Fever Facts. In response to an infection, illness, or some other cause, the hypothalamus may reset the body to a higher temperature. Although the most common causes of fever are common infections such as colds and gastroenteritis, other causes include: 1  Infections of the ear, lung, skin, throat, bladder, or kidney. 2  Conditions that cause inflammation. 3  Side effects of drugs.