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General radiotherapy side effects

Radiotherapy can cause many different side effects, such as tiredness. The side effects you get will depend on the area that you're having treatment to. But there are some general side effects that you might experience regardless of where your cancer is. 

General side effects of radiotherapy

Radiotherapy can cause some general side effects, such as tiredness. Find out more.

Radiotherapy effects on your blood

Radiotherapy can affect your bone marrow and blood cells. 

Eating and drinking

You should try to eat a healthy and balanced diet during radiotherapy.

Tiredness

You might feel tired during your radiotherapy treatment and for a few weeks afterwards. Read about why this is and things you can do to help. 

Your skin

Radiotherapy treatment can affect your skin making it sore and look redder or darker than usual. Find out about ways to help your skin. 

Women's sex life and fertility

Radiotherapy to your lower tummy (abdomen) or pelvis can affect your fertility and sex life.

Men's sex life and fertility

Radiotherapy to your lower tummy (abdomen) or pelvis can affect your fertility and sex life. Problems can include pain during ejaculation and difficulty getting an erection.

Emotional effects

You might feel many different emotions during radiotherapy. Being tired can make any of the emotions that you're feeling even worse. There are ways to get help and support. 

Last reviewed: 
24 Jan 2019

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