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Monday, March 23, 2026

If the kidneys are not functioning properly, the body warns us with certain symptoms: 10 signals you should pay attention to.

 



10 signs of kidney problems

Constant fatigue, fluid retention, pale skin… These everyday symptoms may seem insignificant. But in reality they can be a sign of impaired kidney function. When the kidneys start to work worse, the whole body suffers. The good news is that if the symptoms are recognized in time, you can effectively help yourself.

Are you listening to your body's signals?


Unusual urine – a key indicator

Foamy, dark urine, blood in the urine, or frequent urination—especially at night—any change in the type or frequency of urination should give you cause for concern. These are often the first signs of kidney failure.


Constant fatigue despite adequate sleep

If you feel constantly exhausted, even after a good rest, it could be anemia caused by impaired kidney function. The kidneys do not filter toxins well, which accumulate and weaken the body.


Pale and lifeless facial color

Pale skin, combined with shortness of breath or dizziness, can indicate low hemoglobin levels—often associated with kidney problems. It's a signal that the body needs help.


Unusual swelling

Swelling in the lower legs, eyelids, or hands for no apparent reason may indicate that the kidneys are not properly excreting water and salt. Such swelling is typical of kidney disorders.


Back pain

Dull or localized pain under the ribs, on one or both sides, may be related to urinary tract infections or kidney stones. If the discomfort persists, it is imperative to consult a doctor.


Loss of appetite and unexplained weight loss

Reduced desire for food, skipping meals, and unintentional weight loss may be related to the accumulation of waste products in the body due to improperly functioning kidneys.


Frequent nausea or vomiting

When the kidneys don't filter well, toxins pass into the digestive system, causing nausea and sometimes vomiting.


Sleep problems and night cramps

Insomnia, restless legs, night cramps may point to a mineral imbalance associated with kidney failure.


Bad breath or metallic taste in the mouth

The accumulation of urea in the blood can cause a bitter or metallic taste in the mouth, as well as bad breath - a hidden but important symptom.


Cramps and muscle spasms

Frequent cramps, even without physical exertion, can be due to an imbalance of potassium and calcium due to poor kidney function.


Unexplained itchy skin

If you experience itching without rashes and dryness, it may be due to a buildup of toxins or excess phosphates – common in advanced kidney failure.

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