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We're here for you if you want to talk

0808 2080 888

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We're here for you if you want to talk

0808 2080 888

[email protected]

Chronic myelomonocytic leukaemia (CMML) affects different types of blood cells, but particularly white blood cells called monocytes.

An Asian man looking at blood cancer information on the Blood Cancer UK website.

Chronic myelomonocytic leukaemia (CMML) explained

Find out how CMML develops, which other blood cancers it's related to and what we know about the causes of CMML.
An older woman, at home, looking pensively out of the window.

Prognosis for chronic myelomonocytic leukaemia (CMML)

Read about the general prognosis for CMML. Your own prognosis (what is likely to happen in the future) is personal to you.
Woman lying on sofa looking tired.

Symptoms and diagnosis of chronic myelomonocytic leukaemia (CMML)

Learn about common symptoms of CMML and how it's diagnosed, including tests you are likely to have.
A woman sitting in a hospital receiving intravenous treatment. She's sitting in a chair, with a thin plastic tube coming out from under her rolled up shirt sleeve. There's an IV stand next to her.

Treatment for chronic myelomonocytic leukaemia (CMML)

When you need treatment for CMML, it's most likely to be a type of chemotherapy. You may not need treatment right away.
Two older male friends out walking by a river in a town.

Living well with chronic myelomonocytic leukaemia (CMML)

You can live a full life after a CMML diagnosis. Find out where to get practical and emotional support.

First published April 2025. Next full review due April 2028. We may make factual updates to this information in between reviews.

We would like to thank Consultant Haematologist Kavita Raj for checking the medical content of our CMML information, and Consultant Haematologist Dan Wiseman for reviewing an early draft.