What Does Foamy Urine Mean in a Cat’s Case?

Proteinuria, or an excess of protein in the urine, is a common cause of foamy urine, according to Mayo Clinic. According to Vetinfo, an excess of protein in the urine can suggest kidney difficulties or other serious illnesses.

Proteinuria is commonly caused by damage to or disorders of the kidneys and liver, but it can also signal a urinary tract infection, according to Vetinfo. Urinary tract infections can change the composition of urine and result in elevated protein levels.

Cancer, as well as immune illnesses that cause the body to attack its own tissue, can trigger the syndrome. Cats with diabetes and cats with Cushing’s illness are genetically more likely to have this disorder. It can be caused by parasitic infections such as lungworm, heartworm, and Lyme disease.

Depending on the aetiology, the cat may exhibit other symptoms such as frequent urination, increased water intake, weight loss, decreased appetite, jaundice, and agitation, according to Vetinfo. To establish the severity of proteinuria, a veterinarian must do a urine analysis and compare protein to creatinine levels.

Additional tests are required to determine the cause of proteinuria, and therapy is determined by the cause. Reduced protein in the diet benefits cats with renal disease.

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Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.


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