What color is the urine of patients with renal failure?

The color of normal people’s urine is light yellow or dark yellow. Its color mainly comes from urochrome, which is a substance formed by combining urobilin or protobilin with a polypeptide. In addition to the amount of urine, it is also affected by weather and diet. Generally, it is clearer when it is cold and yellow when it is hot. If you eat an acidic diet, your urine will be darker; if you eat an alkaline diet, your urine will be darker. light. Although most patients with kidney disease have changes in urine color, different types of the disease are different. They are generally as follows:

1. Nearly colorless urine

If the urine Very light or almost colorless. In addition to drinking too much water, it is commonly seen in diabetes insipidus and diabetic nephropathy. If fever, drinking little water, or a lot of vomiting or diarrhea lead to dehydration and yellow urine, it is nephrotic syndrome, chronic nephritis, allergy Purpura nephritis, renal anemia and other symptoms of kidney disease.

2. Brown, brown-black

If colorless urine makes you worried, then you will definitely be more scared when you see brown or brown-black urine. . Based on the production process of urine and the substances contained in it, relevant nephrology experts believe that this situation is common in urinary tract bleeding in acidic urine and is a symptom of kidney stones, renal failure, rapidly progressive nephritis, lupus nephropathy, uremia and other kidney diseases. symptom.

3. Red

When it comes to red urine, everyone will definitely think of hematuria. Yes, except for some drugs that can make urine red, hematuria is mostly a pathological reaction. In kidney disease, Things that can cause hematuria include acute and chronic renal failure, nephrotic syndrome, uremia, rapidly progressive nephropathy, lupus nephropathy, etc.

4. Yellow-brown, yellow-green, brown-green

Clinically, this rare urine is occasionally seen, except for rhubarb, senna, etc. in the urine. In addition to factors, it is considered to be caused by an increase in urinary bilirubin and urobilin, which is common in occult urine colors. In addition to the above urine colors, blue and milky white urine may also appear clinically, which are also caused by kidney lesions. Abnormal urine. Only by knowing how to identify kidney disease based on urine can we actively cooperate with doctors during treatment, so that we can detect and treat kidney disease at any time. Nephritis, chronic renal failure, hydronephrosis, renal tuberculosis, and pyelonephritis.

I hope my arrangement will be helpful to you! Wish you good health