Widespread muscle cramps are something many people with myeloma deal with, so you're definitely not alone in this. Your doctor is right that myeloma itself can be a direct cause — here's why:
- Hypercalcemia — myeloma weakens bones, which releases excess calcium into the blood, and high calcium levels can trigger muscle Show Full Answer
Widespread muscle cramps are something many people with myeloma deal with, so you're definitely not alone in this. Your doctor is right that myeloma itself can be a direct cause — here's why:
- Hypercalcemia — myeloma weakens bones, which releases excess calcium into the blood, and high calcium levels can trigger muscle cramping and twitching throughout the body
- Amyloidosis — myeloma can cause abnormal proteins to build up in the blood, which damages muscle tissue and leads to cramps
- Peripheral neuropathy — some myeloma treatments can cause nerve damage, leading to cramps, tingling, and numbness, especially in the hands and feet
- Dehydration or low electrolytes — night sweats (common with myeloma) can deplete potassium, magnesium, and salt, making cramps worse Some MyMyelomaTeam members have found relief through a few different approaches:
- Taking magnesium or magnesium citrate (always check with your doctor first)
- Replenishing electrolytes, especially if sweating at night
- Using a heating pad on the cramping area
- Getting up and walking it out when cramps hit at night
- Asking about muscle relaxants, particularly for nighttime cramps
One MyMyelomaTeam member shared that after their oncologist adjusted their treatment plan, the cramps almost completely went away.
It's worth going back to your doctor and asking specifically whether your calcium levels, electrolytes, or treatment plan could be contributing — and whether any adjustments might help. You deserve more than just "it's part of myeloma"! 💪
June 15
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