Proteinuria, or protein in urine, can be a sign of kidney disease. It means excess protein is found in your urine. A urine test can detect this, and the doctor will analyse what it indicates based on the results. Usually, when your kidneys can no longer retain proteins, it means that you have kidney disease.
Why is proteinuria a bad thing?
Normal urine contains low levels of protein. That’s because healthy kidneys filter wastes from the blood while retaining useful ones, protein being one of them. However, if you have kidney disease, the filters can no longer retain proteins and so lots of proteins appear in your urine. That’s why protein in urine can mean something wrong with your kidneys.
Does protein in urine means I have kidney disease?
Well, it depends on whether the protein amount in your urine is only high in the moment or persistently. For example, if you have just done some sports or recover from an illness, protein in urine could also be high. This is especially common in young people.
What makes my kidneys no longer retain proteins?
However, if your protein in blood is persistently high, you should be alert. The two most common reasons for long-term high protein in blood are diabetes and high blood pressure. Both of them can cause kidney problems and lead to proteinuria.
In addition to diabetes and high blood pressure, other causes of high protein in urine include:
- Immune system disorders
What can temporarily lift the level of protein in urine?
Some conditions can cause a temporary rise in the levels of protein in urine, but don’t necessarily indicate kidney damage, including:
- Emotional stress
- Exposure to extreme cold
- Strenuous exercise
If you are found with proteinurina, contact your doctor for a repeated urine test. Your doctor may also order some other tests for you.