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Kidney disease can sometimes cause widespread itching, particularly in more advanced stages.
Possible contributors include:
* Dry skin
* Mineral imbalances
* Inflammation
* Changes in nerve signaling
Itching can have many other causes, including allergies, eczema, medications, and liver disease.
## 9. Extremely Dry Skin
Healthy kidneys help maintain the correct balance of minerals and fluids.
Advanced kidney disease can be associated with dry, rough, or flaky skin.
Again, ordinary dry skin is much more commonly caused by weather, aging, frequent washing, or skin conditions.
## 10. Muscle Cramps
Electrolyte disturbances can sometimes contribute to muscle cramps in people with kidney disease.
But cramps are also common after:
* Exercise
* Dehydration
* Prolonged standing
* Certain medications
Frequent cramps together with other kidney-related symptoms may justify testing.
## 11. Metallic Taste in the Mouth
