Fever can be caused by infection. Find out what symptoms to look out for, the different types and what can be done to control and treat your fever.

Infection during or after treatment

Having cancer or treatment for cancer can weaken your immune system. This makes it more likely that you will pick up an infection and develop a fever.

Symptoms of infections

Infections can sometimes be life threatening. Contact your doctor immediately if you've had cancer treatment recently and think you might have an infection.

Where infections commonly start

Fever can be one of the first symptoms of an infection somewhere in your body. It is a sign that your immune system is trying to fight off the infection.

Types of infections

Cancer and cancer treatments can make it more likely for you to get an infection. Find out more about how you could be affected.

Last reviewed: 
05 Aug 2019
Coronavirus and cancer

We know it’s a worrying time for people with cancer, we have information to help.

Read our information about coronavirus and cancer