Can liver problems cause foamy urine?
As a result, large amounts of protein may be found in the urine, causing “foamy” urine. The kidneys may even stop working. Decreased urine output and changes in creatinine clearance tests, a blood test to measure kidney function, may be present. Liver. What does cloudy foamy urine mean? You might be more likely to have foamy urine if you have a full bladder, which can make your urine stream more forceful and faster.