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Causes of myeloma

Main causes of myeloma

It's not clear what causes myeloma, but you may be more likely to get it if:

  • you're overweight
  • a close relative has had myeloma
  • you're from a Black African or African Caribbean background
  • you have a condition called monoclonal gammopathy of unknown significance (MGUS) or pernicious anaemia

You’re more likely to get myeloma as you get older. Myeloma is slightly more common in men.

How to lower your risk of myeloma

You cannot always prevent myeloma, but losing weight if you’re overweight may reduce your risk of getting it. 

Information:

It’s important to get any symptoms of myeloma checked by a GP.

Page last reviewed: 13 May 2025
Next review due: 13 May 2028