Resumo
Definição
História e exame físico
Principais fatores diagnósticos
- pruritus
- blisters and vesicles
- weeping, oozing, and crusting
Outros fatores diagnósticos
- previous exposure
- breathing difficulties
- generalized erythroderma
- periorbital edema
- systemic contact dermatitis
- black-spot dermatitis
Fatores de risco
- occupation that involves exposure to relevant trees and plants
- outdoor activities
- domestic pets and livestock
- use of forestry equipment and machinery
- smoke from burning Toxicodendron species
- children
- genetic susceptibility
Investigações diagnósticas
Primeiras investigações a serem solicitadas
- clinical diagnosis
Investigações a serem consideradas
- botanical identification
- black-spot test
Novos exames
- patch test
Algoritmo de tratamento
immediate treatment postexposure
mild dermatitis
moderate dermatitis
severe dermatitis
chronic severe dermatitis from repeated exposure
Colaboradores
Autores
Marius Rademaker, BM FRCP, FRACP DM, FNZDSI
Honorary Associate Professor of Dermatology
Waikato Clinical Campus
University of Auckland
Hamilton
New Zealand
Declarações
MR declares that he has no competing interests.
Peer reviewers
Brian Swick, MD
Clinical Assistant Professor
University of Iowa College of Medicine
Iowa City
IA
Disclosures
BS declares that he has no competing interests.
Christopher Lovell, MBBS
Consultant Dermatologist
Kinghorn Dermatology Unit
Royal United Hospital
Bath
UK
Disclosures
CL declares that he has no competing interests.
Peer reviewer acknowledgements
BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.
Disclosures
Peer reviewer affiliations and disclosures pertain to the time of the review.
References
Key articles
Guin JD, Beaman JH, Baer H. Toxic anacardiaceae. In: Avalos J, Maibach HI, eds. Dermatologic botany. Boca Raton, FL: CRC Press; 1999.
Rozas-Muñoz E, Lepoittevin JP, Pujol RM, et al. Allergic contact dermatitis to plants: understanding the chemistry will help our diagnostic approach. Actas Dermosifiliogr. 2012 Jul-Aug;103(6):456-77.Full text Abstract
Guin JD, Beaman JH. Toxicodendrons of the United States. Clin Dermatol. 1986 Apr-Jun;4(2):137-48. Abstract
Paniagua CT, Bean AS. Black-spot poison ivy: a rare phenomenon. J Am Acad Nurse Pract. 2011 Jun;23(6):275-7. Abstract
Reference articles
A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
Differentials
- Phytodermatitis
- Phytophotodermatitis
- Allergic contact dermatitis
More DifferentialsGuidelines
- Poisonous plants
More Guidelines
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