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Breathlessness can sometimes occur with kidney disease because of:
* anemia
* excess fluid
* associated heart problems
New or worsening shortness of breath should never be assumed to be kidney-related without proper evaluation.
## 20. Difficulty Sleeping
Sleep problems are common in people with chronic kidney disease.
Possible contributors include:
* itching
* restless legs
* cramps
* breathing problems
* discomfort
But insomnia itself is extremely common and nonspecific.
## 21. Feeling Cold More Often
Anemia associated with chronic kidney disease can sometimes make people feel unusually cold, even when others are comfortable.
Thyroid problems, low body weight, poor circulation, and other conditions can cause the same symptom.
## 22. High Blood Pressure That Becomes Harder to Control
The relationship between the kidneys and blood pressure works in both directions.
High blood pressure can damage the kidneys, while kidney disease can make blood pressure more difficult to manage.
A noticeable change in previously stable blood pressure may deserve further investigation.
## 23. Chest Pain or Pressure
