Protein in the urine, also known as proteinuria, may be a sign of chronic kidney disease resulting from diabetes, high blood pressure, and other conditions that cause inflammation of the kidneys, according to the Nationa... More »

Persistent high levels of protein in urine is a condition known as proteinuria and is usually caused by kidney disease. Proteinuria can also be caused by heart conditions, certain drugs, diabetes and pregnancy. Temporary... More »

Protein is not found in normal urine, states WebMD. The presence of protein in urine is usually an indication of kidney disease or another health condition such as cancer, kidney damage, high blood pressure, lupus, diabe... More » Health Medical Ranges & Levels

Renal insufficiency is a type of chronic kidney disease that damages the kidneys' ability to produce erythropoietin, a hormone that signals the bone marrow to produce red blood cells, according to The National Kidney and... More » Health Conditions & Diseases

Incomplete emptying of the bladder may be the result of constipation, nerve problems, weak bladder muscles, urinary tract stones, blockage or narrowing of the urethra and some types of cancer, explains the National Kidne... More »

Henoch-Schönlein purpura affects the kidneys, digestive tract and joints by causing the blood vessels to become inflamed and leak, according to The National Kidney and Urologic Diseases Information Clearinghouse. The pri... More » Health Conditions & Diseases

People with high amounts of protein in their urine, or proteinuria, may be in the early stages of, or at risk for, chronic kidney disease and should follow a diet that limits their protein intake, according to Davita. Th... More »