Protein in your urine can be a sign of kidney disease, which might also indicate you have diabetes or high blood pressure. However, only about one-third of people who have foamy urine have ...

High Blood Pressure: Over time, hypertension can harm kidney function, increasing the risk of proteinuria and foamy urine. Diabetes/Hypertension - Manage with proper medication, diet, and exercise.

Any senior cat that is vomiting should have its kidneys checked by testing the blood. Vomiting is only one of the signs seen with liver disease. (It is often yellow, though, since the white foam ...