and can also be caused by stress, poor sleep, medications, or many other conditions.
## 3. Swollen Ankles and Feet
The kidneys help control sodium and fluid levels.
When kidney function declines, excess fluid may collect in the tissues, causing swelling in the:
* feet
* ankles
* lower legs
* hands
* sometimes the face
Swelling can also be caused by heart, liver, vein, or circulation problems.
## 4. Puffy Eyes in the Morning
Persistent puffiness around the eyes can sometimes occur when protein leaks into the urine.
Occasional morning puffiness may simply result from sleep,
