Acute Fluoride Poisoning from a Public Water System

Bradford D. Gessner, Michael Beller, John P. Middaugh, Gary M. Whitford

Research output: Contribution to journalArticle

93 Citations (Scopus)

Abstract

Acute fluoride poisoning produces a clinical syndrome characterized by nausea, vomiting, diarrhea, abdominal pain, and paresthesias. In May 1992, excess fluoride in one of two public water systems serving a village in Alaska caused an outbreak of acute fluoride poisoning. We surveyed residents, measured their urinary fluoride concentrations, and analyzed their serum-chemistry profiles. A case of fluoride poisoning was defined as an illness consisting of nausea, vomiting, diarrhea, abdominal pain, or numbness or tingling of the face or extremities that began between May 21 and 23. Among 47 residents studied who drank water obtained on May 21, 22, or 23 from the implicated well, 43 (91 percent) had an illness that met the case definition, as compared with only 6 of 21 residents (29 percent) who drank water obtained from the implicated well at other times and 2 of 94 residents (2 percent) served by the other water system. We estimated that 296 people were poisoned; 1 person died. Four to five days after the outbreak, 10 of the 25 case patients who were tested, but none of the 15 control subjects, had elevated urinary fluoride concentrations. The case patients had elevated serum fluoride concentrations and other abnormalities consistent with fluoride poisoning, such as elevated serum lactate dehydrogenase and aspartate aminotransferase concentrations. The fluoride concentration of a water sample from the implicated well was 150 mg per liter, and that of a sample from the other system was 1.1 mg per liter. Failure to monitor and respond appropriately to elevated fluoride concentrations, an unreliable control system, and a mechanism that allowed fluoride concentrate to enter the well led to this outbreak. Inspection of public water systems and monitoring of fluoride concentrations are needed to prevent outbreaks of fluoride poisoning., Since the late 1940s, many communities in the United States have adjusted the fluoride concentration in their water systems to prevent dental caries1. Numerous studies attest to the effectiveness and safety of maintaining fluoride concentrations in the range recommended by the Public Health Service – 0.7 to 1.2 mg per liter2,3. As of 1989, a total of 9411 public water systems in the United States provided fluoridated drinking water to 135 million people,4 yet only six outbreaks of acute fluoride poisoning related to overfluoridation have been reported510. Acute fluoride poisoning caused the death of one…

Original languageEnglish (US)
Pages (from-to)95-99
Number of pages5
JournalNew England Journal of Medicine
Volume330
Issue number2
DOIs
StatePublished - Jan 13 1994

Fingerprint

Fluoride Poisoning
Fluorides
Water
Disease Outbreaks
Nausea
Abdominal Pain
Vomiting
Diarrhea
Serum
United States Public Health Service
Hypesthesia
Paresthesia
Aspartate Aminotransferases
L-Lactate Dehydrogenase
Drinking Water

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Acute Fluoride Poisoning from a Public Water System. / Gessner, Bradford D.; Beller, Michael; Middaugh, John P.; Whitford, Gary M.

In: New England Journal of Medicine, Vol. 330, No. 2, 13.01.1994, p. 95-99.

Research output: Contribution to journalArticle

Gessner, Bradford D. ; Beller, Michael ; Middaugh, John P. ; Whitford, Gary M. / Acute Fluoride Poisoning from a Public Water System. In: New England Journal of Medicine. 1994 ; Vol. 330, No. 2. pp. 95-99.
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