What are the causes?

In most cases, the causeis unknown this is called primary MDS.

However,exposure to the chemical benzene used in the rubber industry, and found in petrol is known to increaseyour risk of developing MDS.

In rare cases, MDS is caused by radiotherapy or chemotherapy treatment for cancer. This is known as secondary MDS, or treatment-related MDS.

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Medically Reviewed by a doctor on 21 Dec 2018