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Classification and external resources
ICD-10 R82.0
ICD-9-CM 791.1
DiseasesDB 29455

Chyluria, also called chylous urine, is a medical condition involving the presence of chyle in the urine stream,[1] which results in urine appearing milky white.[2][3] It is a condition that is more prevalent among people of Africa and the Indian subcontinent.

Chyluria appearance is irregular and intermittent.It may last several days, weeks or even months. There are several factors that trigger Chyluria recurrence.


Chyluria is often caused by filariasis due to the parasite Wuchereria bancrofti, a thready nematode which lodges the lymph channels.[2][4] Another cause is pregnancy or childbirth.

In the United States, one of the most common causes is partial nephrectomy or thermal ablation of a kidney lesion.


Once the lymph channels are blocked, one may open into the kidney hilum or ureter or sometimes into the bladder and chyle can leak into the urinary tract resulting in milky white urine. Blood sometimes mixes with the urine resulting in haemato-chyluria.

Usually the condition is self-limiting and can sometimes lead to complications. If left untreated, chronic chyluria can lead to malnutrition and vitamin deficiency.


An anti-filarial drug, such as diethylcarbamazine, may be prescribed. Severe damage to lymph channels may require surgery. Sclerotherapy with instillation of 1% of silver nitrate or povidone iodine (2ml of 5% + 8ml distilled water )


  1. ^ Chronic filariasis
  2. ^ a b Saha M, Ray S, Goswami M, Kundu S, Saha P, Saha A, Maitra S, Talukdar A (2012). "An occult filarial infection presenting as chyluria with proteinuria: a case report and review of literature.". BMJ Case Reports Jun1. doi:10.1136/bcr.01.2012.5635. PMC 4542962. PMID 22669920. 
  3. ^ 490012696 at GPnotebook
  4. ^ Dunavan, Claire Panosian (2008-05-22). "The white urine that held the key". Discover Magazine. 
  • Campbell, Meredith Fairfax (1954). Urology 1. 
  • Parasitology by das