However, foamy urine can be a symptom of serious health conditions that require immediate medical attention.  You should see ...

or brown-coloured urine Foamy or bubbly urine, indicating the presence of protein Blood in the urine (hematuria) 4. Swollen ankles and feet: Reduced kidney function may result in sodium retention ...

And persistent foamy urine could be a sign of too much protein in the urine. This would be a symptom to discuss with a doctor, she said, particularly for someone who is at risk for kidney disease.