fatigue, shortness of breath, or changes in urination.
2. Puffy Feet With Foamy Urine
Swollen feet may also appear when the kidneys leak too much protein into the urine. This can happen in conditions such as nephrotic syndrome, where the kidney filters are affected.
Mayo Clinic explains that nephrotic syndrome can cause swelling, especially around the feet and ankles, because the kidneys pass too much protein into the urine.
A possible clue is foamy or bubbly urine, especially if it happens often. Foamy urine can have different causes, but when