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monoclonal gammopathy of unknown significance (mgus)

monoclonal gammopathy of unknown significance (mgus) is a blood condition in which a person's body makes too many of one type of white blood cell. these cells make a type of protein that fight infections.

mgus doesn't usually cause symptoms or major health problems. it is often found by chance when lab tests are done for other reasons. monoclonal antibodies can attach to nerves and cause numbness, tingling, and weakness. most people with mgus are fine for many years and do not need any treatment. in some cases, mgus can change and progress to a cancer, such as multiple myeloma.

mgus doesn't need treatment unless it turns into a serious condition. your doctor will monitor your health to see if you need treatment.

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this information does not replace the advice of a doctor. healthwise, incorporated, disclaims any warranty or liability for your use of this information. your use of this information means that you agree to the terms of use and privacy policy. to learn more about healthwise, visit healthwise.org. © 1995-2022 healthwise, incorporated. healthwise, healthwise for every health decision, and the healthwise logo are trademarks of healthwise, incorporated.

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