Aug 2, 2022 · Protein in your urine (proteinuria) happens when proteins leak into your pee. It can be a sign of kidney disease. It might make your pee foamy or bubbly.

What is proteinuria? Proteinuria, also called albuminuria, is elevated protein in the urine. It is not a disease in and of itself but a symptom of certain conditions affecting the kidneys.

Nov 5, 2025 · Protein in urine (Proteinuria) symptoms, causes, tests and treatments Having protein in your urine is a sign that your kidneys may be damaged. Learn what causes protein …

Mar 20, 2025 · Protein in urine — also called proteinuria (pro-tee-NU-ree-uh) — is an excess of bloodborne proteins in urine. Protein is one of the substances measured in a lab test to …

Proteinuria is protein, usually albumin, in urine. High concentrations of protein cause frothy or sudsy urine. In many renal disorders, proteinuria occurs with other urinary abnormalities (eg, …

Oct 26, 2022 · Learn about proteinuria (protein in urine). This guide examines the causes and symptoms of proteinuria, treatment options, when to contact a doctor, and more.

Jul 9, 2025 · Protein in the urine—called proteinuria—usually signals that the kidneys’ filtering units are leaking. A single mild result can be harmless, but repeated or high-level protein loss …

Dec 3, 2025 · Protein in urine (proteinuria) is a sign of kidney disease but has other causes as well. Learn more about the symptoms, causes, diagnosis, and treatment.

Proteinuria is the presence of excess proteins in the urine. In healthy persons, urine contains very little protein, less than 150 mg/day; an excess is suggestive of illness.

Dec 19, 2025 · Temporary proteinuria may occur after vigorous exercise or if you have a high fever. Sometimes, almost always in children, proteinuria can be detected later in the day, but …