Flexural allergic contact dermatitis to benzalkonium chloride in antiseptic bath oil.
case_report · Level V
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- Record sourced from PubMed, PMID 17714561.
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Abstract
Benzalkonium chloride (BAK) is an acknowledged irritant but has also been identified as a cause of allergic contact dermatitis. The antiseptic bath emollient Oilatum Plus (Stiefel, High Wycombe, U.K.) contains a relatively high concentration of 6% BAK. We describe six patients who presented with flexural eczema, particularly involving the anogenital area, who had a history of using Oilatum Plus. Patch testing showed all six to have a type 4 allergy to BAK as well as other allergens. Avoidance of Oilatum Plus led to a resolution of the flexural eczema in each case.
Medical subject headings
- Anti-Infective Agents, Local
- Benzalkonium Compounds
- Dermatitis, Allergic Contact
- Drug Eruptions
- Emollients