• Am J Emerg Med · May 2008

    Case Reports

    Delayed hypersensitivity reaction from black henna tattoo manifesting as severe facial swelling.

    • Itai Shavit, Yoav Hoffmann, Yael Shachor-Meyouhas, and Hadas Knaani-Levinz.
    • Emergency Department, Meyer Children's Hospital, Rambam Health Care Campus, Haifa, Israel. i_shavit@rambam.health.gov.il
    • Am J Emerg Med. 2008 May 1; 26 (4): 515.e3-4.

    AbstractWe report on a 14-year-old boy who was presented to the emergency department with an acute swelling of the face and scalp 3 days after using a new hair dye. The patient had applied a black henna tattoo 1 year earlier. Patch testing revealed an allergy to the potent skin sensitizer paraphenylenediamine, a common ingredient of hair dyes and also found in black henna tattoo. It is important for emergency physicians to be aware of the possibility of a delayed type-IV hypersensitivity reaction from black henna tattoos manifesting as an acute contact dermatitis. These patients may have gross facial swelling but should not be treated for angioedema.

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