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Possible potassium chlorate nephrotoxicity associated with chronic matchstick ingestion
John S Thurlow1, Dustin J Little1, Thomas P Baker2
1Nephrology Service, Department of Medicine , Walter Reed National Military Medical Center , Bethesda, MD , USA.
Abstract:
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.
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