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Generalized pustular psoriasis or drug‐induced toxic pustuloderma? The use of patch testing
Author(s) -
L.R. Whittam,
S. H. Wakelin,
Jonathan Barker
Publication year - 2000
Publication title -
clinical and experimental dermatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.587
H-Index - 78
eISSN - 1365-2230
pISSN - 0307-6938
DOI - 10.1046/j.1365-2230.2000.00592.x
Subject(s) - generalized pustular psoriasis , medicine , pustular psoriasis , psoriasis , dermatology , patch testing , drug , hypersensitivity reaction , drug reaction , immunology , contact dermatitis , pharmacology , allergy
Pustular psoriasis is a rare but serious form of psoriasis. Clinically it may be difficult to differentiate from a pustular drug reaction. We report a case of a generalized pustular eruption triggered by exposure to amoxycillin in a patient with chronic psoriasis. Patch testing to 1% and 5% amoxycillin preparation confirmed a delayed hypersensitivity reaction.