Dr Tang Yinqian, Medical Master, Nephrologist, the Affiliated Hospital of Guizhou Medical University (GMU)
HI friends, passing foamy urine now and then is normal in our daily lives. But it always concerns us if it is related to health issues. Indeed, foamy urine is one of the symptoms of chronic kidney disease but it doesn’t mean that you have health problems with foamy urine once you have it. Today, we are going to uncover the secret behind foamy urine and some underlying health issues we need to watch out for.
How Does Foamy Urine Form?
Foamy urine refers to the presence of bubbles or froth in the urine that persist for a noticeable period after urination. Urine contains various organic and inorganic substances that can increase its surface tension, causing foam to form during urination. For example, increased levels of proteins, sugars, or other components in urine can change its physical properties, leading to greater surface tension and foam formation. Additionally, urinary tract infections (UTIs), prostate issues, and other factors can also alter urine composition and result in foamy urine. However, foamy urine is more likely to be a sign of disease if it happens often or it gets worse over time.
What are the causes of foamy urine?
Foamy urine can be concerning, and while it’s usually harmless and temporary, it can also indicate an underlying health issue. Let’s explore the possible causes and what you should do if you notice foamy urine:
1. Proteinuria: Proteinuria is characterized by abnormally high levels of protein in the urine, often seen in various glomerular diseases. Proteins alter the surface tension of urine, leading to abundant, persistent foam.
2. Urinary Tract Infection (UTI): Infections in the urinary tract can produce inflammatory secretions that increase the foam in urine. UTIs typically come with symptoms like frequent urination, urgency, and pain, necessitating prompt medical treatment.
3. Diabetes: In diabetes, increased glucose levels in the urine can lead to more foam. Diabetic patients may also experience symptoms such as excessive thirst, frequent urination, and weight loss. Monitoring blood sugar levels and appropriate treatment are crucial.
4. Other Diseases: Conditions like vesicocolic fistulas (abnormal connections between the bladder and colon) can increase organic compounds in the urine, resulting in foam.
By understanding the potential causes of foamy urine and knowing, you can better manage your health and alleviate unnecessary concerns. In the next issue, we will continue to analyze other causes and share with you some tips to tackle foamy urine from my clinical perspective.
（Translated by HUANG BAILIN, International Office, Guizhou Medical University）
