• Alfred Franzblau and Nancy Sahakian.
• Associate Professor of Occupational Medicine, Department of Environmental Health Sciences, University of Michigan School of Public Health, 1420 Washington Heights, Ann Arbor, MI 48109-2029, USA. afranz@umich.edu
• Am. J. Ind. Med. 2003 Sep 1; 44 (3): 321-4.

BackgroundAlmost all reports of respiratory health effects of hydrofluoric acid are derived from industrial settings and usually involved massive and conspicuous exposures. In the present report we describe a case of adult-onset asthma immediately following use of a household rust stain remover that contained an 8-9% aqueous solution of hydrofluoric acid (HF).MethodsThis is a case-report. A literature search of hydrogen fluoride, and reactive airways dysfunction syndrome (RADS) was performed.ResultsA previously healthy 26-year-old woman developed asthma immediately following inhalation exposure to hydrofluoric acid from a household cleaner, consistent with reactive airways dysfunction syndrome. The circumstances of exposure and possible mechanism of disease are discussed.ConclusionsIt is likely that this patient's use of the rust stain remover resulted in inhalation exposure to hydrofluoric acid well above any applicable standard, and hence constituted a "high level" irritant exposure capable of inducing reactive airways dysfunction syndrome. In our opinion, the presence of this concentration hydrofluoric acid in a consumer product may be unduly hazardous.Copyright 2003 Wiley-Liss, Inc

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