Side effects and symptoms

Cancer treatment and your heart

Cancer treatment may cause problems with your heart. Find out more about how this is monitored and tips to keep your heart healthy.

  • How cancer treatments can affect your heart

    Some cancer treatments can affect your heart. It is important to discuss the risks with your cancer doctor.

  • Chemotherapy

    A few chemotherapy drugs affect the heart. Your hospital team will talk to you about any risks of the drugs you’re having.

  • Radiotherapy

    Radiotherapy only affects the heart if it’s in the area treated. Improvements in radiotherapy treatment have reduced the risk of problems.

  • Hormonal therapies

    Treatment with hormonal therapies can sometimes increase the risk of heart problems.

  • Targeted (biological) therapies

    Some targeted (biological) therapy drugs can affect the heart. You will have regular checks during treatment.

  • Surgery for cancer

    You’ll usually have tests to check your heart before you have an operation to treat a cancer.

  • Cancer research trials

    If you take part in a clinical trial, you will have regular checks for any side effects.

  • Tests to check heart health

    There are several tests your doctors can use to check your heart function before, during and after treatment.

  • If heart problems develop during cancer treatment

    If you have heart problems during cancer treatment, your doctors will help you decide on the best way to manage them.