foamy urine
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Etiology
- benign transient proteinuria*
- concentrated urine from dehydration
- rapid urination creating turbulence
- orthostatic proteinuria (particularly in adolescents)
- functional proteinuria from fever, exercise, or stress
- pharmaceuticals
- foamy urine persists
- bilirubinuria (brown color)
- pneumaturia due to fistula
- early glomerular disease
- diabetic nephropathy
- IgA nephropathy
- other primary glomerular disease
- albuminuria < 300 mg/g creatinine
- may be asymptomatic
- chronic kidney disease
Laboratory
More general terms
References
- ↑ Leung AK, Wong AH, Barg SS. Proteinuria in Children: Evaluation and Differential Diagnosis. Am Fam Physician. 2017 Feb 15;95(4):248-254. PMID: https://pubmed.ncbi.nlm.nih.gov/28290633 Free article. https://www.aafp.org/pubs/afp/issues/2017/0215/p248.html
- ↑ Wingo CS, Clapp WL. Proteinuria: potential causes and approach to evaluation. Am J Med Sci. 2000 Sep;320(3):188-94. PMID: https://pubmed.ncbi.nlm.nih.gov/11014373 Review.
- ↑ Stoneman S, Teh JW, O'Shaughnessy MM. IgA Nephropathy in Adults: A Review. JAMA. 2026 Mar 3;335(9):799-813. PMID: https://pubmed.ncbi.nlm.nih.gov/41587026 Review. https://jamanetwork.com/journals/jama/fullarticle/2844446
- ↑ Sethi S, De Vriese AS, Fervenza FC Acute glomerulonephritis. Lancet. 2022 Apr 23;399(10335):1646-1663 PMID: https://pubmed.ncbi.nlm.nih.gov/35461559