López Serrano C, Quiralte Enríquez J, Martínez Alzamora F
Allergy Unit, Hospital General La Paz, Madrid.
Allergol Immunopathol (Madr). 1993 Nov-Dec;21(6):225-6.
We report an adverse cutaneous reaction (urticaria) due to erythromycin. A positive skin prick and leukocyte histamine release tests, as well as a positive single-blind, placebo controlled oral challenge to erythromycin, strongly suggest an IgE mediated hypersensitivity mechanism.