Urinary protein (proteinuria) is a measure that reflects the presence of protein in the urine. Proteins, such as albumin, are essential components of the blood, but they are usually not present in urine in significant amounts. Elevated urinary protein can indicate kidney damage or disease, as healthy kidneys normally prevent substantial protein loss through urine.
Testing for urinary protein levels is beneficial for individuals at risk of kidney disease, such as those with diabetes, high blood pressure, a family history of kidney disease, or certain ethnic backgrounds that are at higher risk. It’s also important for people showing symptoms of kidney problems, such as swelling in the legs, ankles, or around the eyes.
To lower urinary protein levels, it’s important to address the underlying causes. This may involve managing chronic conditions like diabetes and high blood pressure through medication and lifestyle changes. A diet low in salt and protein, maintaining a healthy weight, and avoiding harmful substances like tobacco and NSAIDs can also help. Regular exercise and control of blood sugar levels are crucial. In some cases, medications like ACE inhibitors or ARBs are prescribed to reduce proteinuria.