A fever means your body temperature is higher than normal. Find out how cancer and cancer treatment can cause fever. Also how fever can be treated.

Fever

Having a fever means your body temperature is higher than normal. Something inside your body, such as an infection, has caused your temperature to rise.

Causes of fever

A number of things can cause fever. This can include some cancers, drugs, and other treatments.

Treating fever and infection

Treating a fever depends on what is causing your fever. Treating the symptoms of fever can also help you feel more comfortable.

Sepsis, infection, and cancer

Sepsis is a serious complication of an infection that can be life threatening. Fever might be the first sign of an infection, or you might have other symptoms.  

Cancer and fever resources and support

There are lots of organisations, support groups and helpful books to help you cope with symptoms and side effects caused by cancer and its treatment.

Last reviewed: 
10 Feb 2023
Next review due: 
10 Feb 2026