Possible potassium chlorate nephrotoxicity associated with chronic matchstick ingestion

John S. Thurlow*, Dustin J. Little, Thomas P. Baker, Christina M. Yuan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


We present a case of a 48-year-old active duty male soldier with a history of chronic exposure to potassium chlorate, later diagnosed with chronic interstitial nephritis. He reported regular matchstick consumption to prevent chigger (Trombicula autumnalis) bites, amounting to ∼5.8 g of potassium chlorate over 3 years. Potassium chlorate can cause anuric renal failure within days of a toxic dose. Its slow excretion and mechanism of action suggest that renal toxicity may result from lower-dose chronic exposure. This case represents possible sequelae of chronic potassium chlorate ingestion.

Original languageEnglish
Pages (from-to)316-318
Number of pages3
JournalClinical Kidney Journal
Issue number3
StatePublished - Jun 2013
Externally publishedYes


  • chronic interstitial nephritis
  • matchstick
  • potassium chlorate


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