Sodium lauryl sulfate irritant patch tests. II. Variations of test responses among subjects and comparison to variations of allergic responses elicited by Toxicodendron extract

Mark V Dahl, Franklin Pass, Ronald J. Trancik

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

Inflammation was induced on the forearms of volunteers by twenty-four closed patch tests to either the irritant 10% sodium lauryl sulfate (SLS) or Toxicodendron extract. Each chemical was tested at eight sites on the ventral forearms of each volunteer in order to assess the variability of response among test sites in individual subjects. Inflammation was assessed about 10 minutes after patch tests were removed. The degree of inflammation elicited by both Toxicodendron and SLS was variable among subjects, but variation among individual test sites was much more marked in subjects tested with SLS (p < 0.002). The marked variability of responses to irritation that occur in any single subject may explain why irritant patch test responses do not reliably identify the irritation-prone individual.

Original languageEnglish (US)
Pages (from-to)474-477
Number of pages4
JournalJournal of the American Academy of Dermatology
Volume11
Issue number3
DOIs
StatePublished - Jan 1 1984

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