Side effects

Breast cancer treatments can cause both temporary side effects that stop soon after treatment finishes and longer-term side effects.

Ongoing side effects, such as hot flushes or fatigue (extreme tiredness), can stop you feeling that you’re moving forward after treatment. For some people, they’re a constant reminder of their breast cancer.

Find out more about some common side effects of breast cancer treatment using the links below.

Find out about hormone therapy, why it's given and what side effects you might experience.

Side effects of chemotherapy for breast cancer are usually temporary and most can be controlled.

Common side effects of radiotherapy treatment for breast cancer and how to manage any symptoms.

Some breast cancer treatments (such as chemotherapy and hormone therapy) can cause menopausal symptoms. Find out more about them and ways to cope.

Fatigue is extreme tiredness and exhaustion. It doesn’t always go away with rest or sleep and may affect you physically and emotionally.

Some treatments for breast cancer may cause pain while you’re having them or for some time afterwards. Find out about different types of pain and how it can be managed.

Some treatments for breast cancer can affect the health of your bones.

People with breast cancer have a high risk of blood clots, due to the cancer itself as well as treatment. Read more at Breast Cancer Care.