Physical impacts of cancer and treatment

You might experience a range of physical symptoms and side effects during cancer treatment. Find out more about them, and how you can cope with them.
Impacts of cancer A to Z
Pain

People with cancer may have pain for a number of reasons. Healthcare professionals can help you manage your pain in the hospital, local community, or at home.
Tiredness and fatigue

Fatigue is feeling very tired most, or all, of the time. It is a very common problem for people with cancer.
Trouble sleeping (insomnia)
If you are having trouble sleeping, there are things you can do that may help improve your sleep.
Breathlessness and cancer

Cancer and its treatments may cause breathlessness. There are different ways to help manage breathlessness.

Nausea and vomiting
Cancer and its treatment can make you feel sick (nauseous) or be sick (vomit). There are drugs that can help control this.
Infection
Cancer and its treatments can weaken the immune system. It is important to try and avoid infection if your immunity is reduced.
Lymphoedema

Lymphoedema can develop months or even years after cancer treatment. If you're living with lymphoedema we have information and support for you.
Hair loss
Cancer treatments can cause hair loss. We have information about wigs, hats, scalp care and more to help you deal with hair loss.
Bladder and bowel problems
Some types of cancer treatment can cause side effects that affect your bladder and bowel. There are things you can do to manage these.
Find out what benefits you are entitled to
Our online calculator works out which benefits and financial support you are entitled to. You can use it if you have cancer or if you are caring for someone with cancer.
Use the calculator

How we can help

Macmillan Cancer Support Line
The Macmillan Support Line offers confidential support to people living with cancer and their loved ones. If you need to talk, we'll listen.
0808 808 00 00
7 days a week, 8am - 8pm
Email us
Get in touch via this form
Chat online
7 days a week, 8am - 8pm
Online Community
An anonymous network of people affected by cancer which is free to join. Share experiences, ask questions and talk to people who understand.
Help in your area
What's going on near you? Find out about support groups, where to get information and how to get involved with Macmillan where you live.