MyMyelomaTeam

Are you experiencing muscle cramps and wondering if they're related to myeloma? You're not alone — this is a really common concern among people living with myeloma.

Muscle cramps can be linked to myeloma in a few key ways:

- Hypercalcemia — when myeloma weakens bones, calcium is released into the blood, which can cause Show Full Answer

Are you experiencing muscle cramps and wondering if they're related to myeloma? You're not alone — this is a really common concern among people living with myeloma.

Muscle cramps can be linked to myeloma in a few key ways:

- Hypercalcemia — when myeloma weakens bones, calcium is released into the blood, which can cause muscle cramping and twitching
- Amyloidosis — a complication where abnormal proteins damage muscle tissue, leading to cramps
- Peripheral neuropathy — nerve damage caused by some myeloma treatments, which can trigger cramping, tingling, and numbness, especially in the hands and feet

As one MyMyelomaTeam member shared, "Cramps in legs and ankles seem to be associated with MM. I've had them lately. I had a small relapse a month ago and will start second-line treatment." There are also general factors that can make cramps worse, including:

- Dehydration — especially if night sweats are depleting your electrolytes
- Low potassium or magnesium levels
- Sitting or standing for long periods
- Overusing muscles

Some MyMyelomaTeam members have found relief through these approaches:

- Taking magnesium supplements or electrolytes (always check with your doctor first)
- Using a heating pad on the cramped area
- Getting up and walking it out when cramps strike at night
- Trying pickle juice or mustard at the onset of a cramp (these may trigger a reflex that eases spasms)
- Staying well hydrated throughout the day

In some cases, doctors may recommend muscle relaxants, or adjustments to your treatment plan if medications are contributing to the cramps.

It's really important to let your care team know if cramps are new, worsening, or not going away — especially alongside symptoms like bone pain, back pain, or fatigue, as these can sometimes signal a relapse.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

Muscle Spasms and Cramps at Night: Is This a Symptom of Relapsed Myeloma?