Side effects and symptoms

  • 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.

  • 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.

  • Late effects of breast cancer treatment in men

    Some men may have side effects that don’t go away or develop years after treatment for breast cancer.

  • Lymphoedema

    If you're living with lymphoedema we have information and support for you.

  • Other side effects

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

  • Bone health

    Some cancer treatments may affect your bones. Find tips to help you maintain healthy bones and improve your bone strength.

  • 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.

Back to Coping

Your emotions

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

Relationships and sex

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

Getting support

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