A fever is a body temperature of 100.4 F or greater. Read about causes of fever in adults, symptoms, treatment, medications that may cause fevers, and different types of fevers. Plus, learn how to reduce and prevent fever. A fever is one way your body fights illness—your body temperature goes up to kill bacteria that cannot live at the higher temperatures. Although it may not be comfortable, a temperature of up to 102°F is generally good for you. Most healthy adults can tolerate a fever as high as 103°F to 104°F for short periods of time without having problems.
Feb 08, 2011 · A fever-- also known as a high fever or a high temperature -- is not by itself an illness. It's usually a symptom of an underlying condition, most often an infection. Fever is usually associated. Mar 19, 2018 · Unusually high temperature of the body is defined as fever. It is the body's response to an infection or a disease. Rise in the body temperature is an indication that the something wrong is happening within the body. Unfortunately, high fever in adults Author: Nicks J.
Fever that comes and goes. Fever that is higher in the morning. How is the cause of a fever diagnosed? Your healthcare provider will ask when your fever began and how high it was. He or she will ask about other symptoms and examine you for signs of infection. He or she will feel your neck for lumps and listen to your heart and lungs. Apr 01, 2015 · Fever means a body temperature of 100.4° F (38°C) or higher. An infection, such as the flu, is the most common cause of fever. Other conditions can also cause a fever. These include diseases that produce inflammation, such as rheumatoid arthritis, reactions to drugs or vaccines, and even certain types of cancers. Fever symptoms.