23 Strange Signs Your Kidneys Might Be in Trouble

allergies, or salt intake, but repeated swelling deserves attention.

## 5. Foamy Urine

A few bubbles in urine are normal.

However, urine that is consistently very foamy may sometimes indicate protein in the urine.

This is one of the changes healthcare professionals can check with a simple urine test.

## 6. Blood in the Urine

Visible blood in the urine should always be medically evaluated.

Possible causes include:

* urinary tract infections

* kidney stones

* prostate problems

* kidney disease

* other conditions affecting the urinary system

It does not automatically mean kidney failure, but it