15 Deadly Kidney Signs You Must Catch Early

Excessive foam or bubbles can mean protein is leaking into the urine — a classic sign of kidney damage.

5. Frequent or Reduced Urination

Needing to urinate more often (especially at night) or much less than usual are both warning flags of kidney malfunction.

6. Pain in the Lower Back or Side

Kidney pain is often felt on one side of the back, just under the rib cage. It may signal stones, infection, or advanced kidney disease.

7. Constant Itching

When toxins build up due to poor kidney filtration, they can cause intense itching beneath the skin.

8. Shortness of Breath

Failing kidneys may lead to fluid in the lungs or reduced oxygen-carrying red blood cells, leaving you breathless after minimal activity.

9. Puffy Eyes