Side effects and symptoms

You might experience a range of side effects during and after cancer treatment. Find out more about them, and how you can cope with them.

  • Breathlessness

    Cancer can cause breathlessness. We have tips on relaxation and other techniques to help.

  • Tiredness (fatigue)

    The term often used for extreme tiredness is fatigue. Look at our information on managing tiredness through relaxation and other techniques.

  • Fertility in men

    Cancer can affect fertility in men. Support and treatment is available.

  • Fertility in women

    Learn more about what cancer means for fertility in women, and what help is available.

  • Hair loss

    Cancer treatment can cause hair loss. Find ways to cope, and to look after your hair and scalp.

  • Mouth problems

    Cancer treatment such as chemotherapy can cause mouth problems. We have tips for keeping your mouth healthy.

  • Eating problems

    Cancer and its treatment can cause problems with eating including sickness, appetite loss and a sore mouth. Find ways to deal with them.

  • Pain

    If you're dealing with pain caused by cancer, we can tell you about treatment and other support.

  • Other side effects

    Cancer has a range of side effects. Find out more about them and how to ease them.

  • Late side effects of chemotherapy

    The risk of getting late effects is usually outweighed by the benefits of chemotherapy treatment.

  • Long terms and late effects

Back to Coping

Your emotions

Get help with the emotional issues you and your loved ones might face.


Understanding what is happening and getting the right support can help you in your close relationships.

Advanced cancer

Get help with treatment decisions associated with advanced cancer, and find ways to cope with symptoms, side effects, and emotional impacts.

At the end of life

We can help you find practical and emotional support at the end of life and through bereavement.

Getting support

Find out more about our free support line, Macmillan nurses, information services and support groups near you.