Your kidneys do far more than filter waste.
They play a vital role in maintaining the balance of key electrolytes, which are essential for proper muscle function:
Potassium
Helps nerves send signals to muscles
Calcium
Triggers muscle contraction
Magnesium
Supports relaxation after contraction
Sodium
Regulates fluid balance and nerve impulses
When your kidneys aren’t working well — due to chronic kidney disease (CKD), diabetes, high blood pressure, or other conditions — these minerals can become imbalanced, increasing the risk of muscle cramps.
🔗 Why Kidney Problems May Lead to Leg Cramps
In people with chronic kidney disease (CKD) or those on dialysis, leg cramps are a common complaint. Here’s why:
1. Electrolyte Imbalance
