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Nonpigmenting fixed drug eruption due to pseudoephedrine
C Vidal1, A Prieto, C Pérez-Carral
1Allergy Unit, Complejo Hospitalario Universitario de Santiago de Compostela (Hospital de Conxo), Spain.
Abstract
Background:
The nonpigmenting fixed drug eruption is a distinctive drug reaction characterized by large, tender and symmetric erythematous plaques that disappear with no residual pigmentation.
Methods:
A case of a non-pigmenting fixed drug eruption due to pseudoephedrine is reported.
Result:
The reappearance of typical lesions at the same sites after oral challenge with 60 mg pseudoephedrine together with the absence of pigmentation confirm the diagnosis.
Conclusion:
A new case of proven nonpigmenting fixed drug eruption to pseudoephedrine is described.