An unusual case of a combined severe type I immediate hypersensitivity reaction and delayed type IV allergic contact dermatitis caused by hair dyes including toluene-2,5-diamine in the same patient

Contact Dermatitis. 2024 Sep;91(3):257-259. doi: 10.1111/cod.14587. Epub 2024 May 29.

Authors

Aurélie Piletta-Zanin¹, Ophélie Marchal¹, Damien Pastor², Pierre Piletta-Zanin², Thomas Harr¹

Affiliations

¹ Allergology Department, Hôpitaux Universitaires de Genève, Geneva, Switzerland.
² Dermatology Department, Hôpitaux Universitaires de Genève, Geneva, Switzerland.

PMID: 38812256
DOI: 10.1111/cod.14587

No abstract available

Keywords: anaphylaxis; case report; hair dye; immediate hypersensitivity; toluene‐2,5‐diamine.

Publication types

Case Reports

MeSH terms

Adult
Dermatitis, Allergic Contact* / diagnosis
Dermatitis, Allergic Contact* / etiology
Female
Hair Dyes* / adverse effects
Humans
Hypersensitivity, Delayed / chemically induced
Hypersensitivity, Delayed / diagnosis
Hypersensitivity, Delayed / etiology
Hypersensitivity, Immediate / chemically induced
Hypersensitivity, Immediate / diagnosis
Patch Tests*
Phenylenediamines* / adverse effects

Substances

Hair Dyes
Phenylenediamines
2,5-diaminotoluene