Sickness and vomiting
Find out why you might feel or be sick if you have blood cancer, and what can help.
Sickness and vomiting explained
Blood cancer or its treatment can make you feel sick and sometimes be sick (vomit). Find out what's going on in your body when this happens.
What causes sickness and vomiting?
Learn more about why blood cancer can cause sickness and vomiting, and which treatments are likely to have this unpleasant side effect.
Treatment for sickness and vomiting
There are lots of different drugs that can help treat sickness and vomiting. Read about them so you can discuss what will help with your hospital team.
Sickness and vomiting self-help tips
Alongside taking anti-sickness drugs, there are lots of things you can do yourself to lessen the effects of sickness and vomiting. Read our suggestions here.
This information about sickness and vomiting is accredited with the PIF TICK, the UK's only quality mark for trusted health information.
Last reviewed September 2025. Next full review due September 2028. We may make factual updates to the information on these pages between reviews.
We would like to thank Consultant Haematologist Kevin Boyd and Clinical Nurse Specialist Jodie Nightingill for checking the medical content of our sickness and vomiting information.