The Rare Case of a Probably True IgE-Mediated Allergy to Local Anaesthetics

Table 2

Results of the skin prick tests and determination of specific IgE. Specific IgE to LA was determined with a classical RAST assay (for details refer to Methods); all other in vitro tests were performed with the UniCAP system.

	Skin prick testing	Specific IgE
Lidocaine	neg	neg
Mepivacaine	neg	pos
Procaine	neg	nd
Latex	neg	<0.35 kU/L
Chlorhexidine	nd	<0.35 kU/L
Tryptase		3.2 ng/mL
Total IgE		45.8 kU/L
Histamine	pos
NaCl	neg