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Published on: 7/15/2026

Is multiple myeloma the same as myeloma, or is there a difference?

Multiple myeloma and myeloma are two names for the same disease: a cancer that develops in plasma cells within the bone marrow. Plasma cells are white blood cells that produce antibodies to fight infection. When these cells become cancerous, they multiply uncontrollably, crowd out healthy blood cells, and can damage bones, kidneys, and the immune system.

Because myeloma symptoms—like fatigue, bone pain, frequent infections, or unexplained weight loss—often overlap with less serious conditions, it's easy to dismiss early warning signs. Getting clarity sooner rather than later can make a meaningful difference in outcomes. Take a free, instant, online symptom check to better understand what your symptoms may mean and confidently plan your next steps.

Reviewed for medical accuracy: 07/14/2026

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Explanation

Multiple myeloma, often simply called myeloma, is a cancer that starts in plasma cells. Plasma cells are a type of white blood cell found in the bone marrow, and they help the body fight infections by making antibodies. In myeloma, these plasma cells become cancerous and multiply uncontrollably.

Key Points:

  • Plasma Cells: These are normally found in the bone marrow and are important for immune function.
  • Cancerous Growth: In multiple myeloma, the plasma cells grow too much and form tumors in the bone marrow, which can cause bone damage and other health problems.
  • Symptoms: People with multiple myeloma may experience bone pain, fatigue, and frequent infections.

It's important to understand that 'multiple myeloma' and 'myeloma' are terms that can be used interchangeably to describe the same disease. This condition affects the bone marrow and can lead to various complications, including bone damage and weakened immune responses. If you're experiencing any concerning symptoms, you can use Ubie's free AI symptom checker to better understand what might be happening and determine if you should seek medical attention.

(References)

  • Kumar SK, Rajkumar V, Kyle RA, van Duin M, Sonneveld P, Mateos MV, et al. (2017). Multiple myeloma. Nature reviews. Disease primers, 28726797.

  • Kane SF. (2020). Bone Tumors: Multiple Myeloma. FP essentials, 32573185.

  • Noll JE, Williams SA, Tong CM, Wang H, Quach JM, Purton LE, et al. (2014). Myeloma plasma cells alter the bone marrow .... Haematologica, 23935020.

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