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We know protein in urine is an obvious symptom of kidney disease. However, does protein in urine always mean kidney disease problem?
Of course not. There are many factors of protein in urine. And in the following we will tell you what factors can cause protein in urine.
1. Much protein intake
Foamy urine or bubbly urine may occur after you eat a lot of fish, chicken and other meats. These meats contain macro-protein. People who take a lot of protein supplements such as whey protein powder may also have protein in urine as well. The reason is that if your body is not breaking down these proteins efficiently, the protein is usually discharged from your body in your urine. When the proteins combines with the air, then proteins will produce a foamy or bubbly urine. Of course, protein in urine caused by eating too much protein in your diet is temporary. And this kind of proteinuria should diminish as you reduce the amount of protein intake.
2. Protein in urine caused by some medicines
Although medicines are used to treat one condition or one aliment, they are able to cause unanticipated side effects. For instance, the side effects may make your body become less efficient in breaking down protein. In this case, protein in urine may appear.
3. Protein in urine in kidney disease
Excess protein in the kidney is called proteinuria. This is tested in the urine and can also called albuminuria. In normal case, only small size and little protein can be leaked into urine, and most proteins are too big to pass through the glomeruli or the kidney filters. However, once the glomeruli serving as kidney filters are damaged, proteins show up in the urine. In this case, high levels of protein in urine is usually an indication of kidney damage or kidney disease.
Not all protein in urine is called by kidney disease or damage, and other factors can also lead to proteinuria such as much protein intake, side effects of medicines and excess exercise. Therefore, once you have protein in urine, you should ask your doctor if you should:
1. Have other tests to check your kidneys like estimated glomerular filtration rate(eGFR) test or a 24-hour urine test, which can tell your doctor more about how your kidneys are working.
2. Take steps to control high blood pressure and diabetes if you have them.
In a word, protein in urine does not always mean kidney damage or disease. If you suspect you have kidney disease, you can consult our online experts, he will tell you whether your protein in urine is called by kidney damage.
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