Published on: 6/20/2025
What does the presence of foam in urine suggest about kidney health?
Foam in urine might mean there's protein in the urine, which can be a sign of kidney problems. However, not all foam is bad, so it's important to get checked by a doctor.
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Explanation
Foamy urine can be a sign that there is protein in the urine, a condition known as proteinuria, which may indicate kidney issues. According to the medical literature, foamy urine can sometimes be normal, especially if it happens occasionally or after urinating quickly.
Key Points:
- Protein in Urine: When kidneys are not working well, they might let protein leak into the urine, causing foam.
- Other Causes: Rapid urination or certain substances in the urine can also cause foam without indicating a problem.
- When to See a Doctor: If you notice frequent or persistent foamy urine, it is wise to consult a healthcare provider to rule out kidney disease.
In summary, while foamy urine can be a sign of kidney trouble, it isn't always a cause for concern. It is important to consider other symptoms and consult with a healthcare professional for a proper assessment.
(References)
- Kang KK, Choi JR, Song JY, Han SW, Park SH, Yoo WS, et al. (2012). Clinical significance of subjective foamy urine. Chonnam medical journal, 23323222.
- Khitan ZJ, & Glassock RJ. (2019). Foamy Urine: Is This a Sign of Kidney Disease?. Clinical journal of the American Society of Nephrology : CJASN, 31575619.
- Diskin CJ, Stokes TJ, Dansby LM, Carter TB, & Radcliff L. (2000). Surface tension, proteinuria, and the urine bubbles of .... Lancet (London, England), 10752713.
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