High temperature 38-42°

High temperature, also known as fever, is a symptom of infection or illness. It is characterized by an elevated body temperature of 38-42°C (100-107°F). It is usually accompanied by other symptoms such as chills, sweating, headache, and malaise. Fever develops when the body's thermoregulatory system is activated in response to an infection, inflammation, or other type of illness. It is a protective mechanism to help the body fight off the infection or illness. High temperature can be caused by a variety of illnesses, including viral, bacterial, and fungal infections.