Temporary henna tattoos with long-term consequences
Authors: Pablo J Almeida and Leopoldo Borrego
Published online: 7 December 2009
Two sisters aged 6 and 11 years presented with pruritic inflammatory lesions, one on the arm and one on the shoulder (Figure). The lesions appeared 72 hours after the girls had black henna tattoos applied while they were on holiday in Egypt. On examination, each girl had eczematous eruptions that perfectly outlined the tattoo. Patch tests were positive for paraphenylenediamine, a known potent contact allergen.
Black henna tattoos are a frequent source of sensitisation to paraphenylenediamine among Australian tourists to South-East Asia.1 Potential significant consequences include allergic reactions to hair dyes, textile dyes, anaesthetics, sulfonamides and sunscreens containing p-aminobenzoic acid.
References
- Mohamed M, Nixon R. Severe allergic contact dermatitis induced by paraphenylenediamine in paint-on temporary “tattoos”. Australas J Dermatol 2000; 41: 168-171. 0_CHDEFJGH
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