Table 1.

Diagnostic tests performed in most of the case reports of airborne anaphylaxis described

	In-vitro tests				In-vivo tests
	Total IgE	sIgE	BAT	Baseline tryptase	SPT	Prick-by-prick	ID	Specific inhalation challenge	Other allergies reported
American ginseng powder [14]			+		+
Anisakis simplex[22]	7490 IU/ml	>100 kU/l		6.1 μg/l	+			+	Clam sIgE 5.97 kU/l
Bruchus pisorium[21]					+			+
Cefuroxime [28]	18 kU/l	0.13 kU/l	+		+			+	BAT for cefotaxime: +sIgE and BAT for ceftriaxone: +BAT for cefazolin: +SPT and BAT for ceftazidime: +BAT for ampicillin: +ID for benzylpenicillin 0.01 IU/ml: +
Chlorexidine [24]	38.6 kU/l	2.23 kU/l			+
Cromolyn sodium [29]	1759 IU/ml				+ in passively sensitised sitesa				SPTs to bermuda, timothy, bahia, Kentucky blue, orchard, house dust mites, Cladosporium, dog and cat dander: +
Dill [20]		- (IgG4: +)			+	-
Egg-albumin [13]	1879μg/l	+			+				SPTs for egg-yolk and cow's milk: +
Fig (Ficus carica) [18]	93.6 kU/l	15.5 kU/l		4.12 mgA/l	+ (fig and fig leaf)	+			SPT for olive tree pollen: +
Guinea pig [33]	200 kU/l	22.7 kU/l							SPTs for dust mites and cat: +sIgE DermatophagoidesPteronyssinus: 10.6 kUa/lsIgE DermatophagoidesFarina: 11.4 kUa/lsIgE cat dander: 0.89 kUa/l
Latex [31]					+
Lentil [15]	846 IU/ml	16.7kU/l							sIgE for chickpea: 16.7kU/l
Oyster mushrooms [19]	72IU/ml					+		+
Rabbit [34]		0.332 kU/l			+				sIgE to guinea pig: 0.031 kU/l
Rice [17]					+			+	SPT for peanut: +
Sevoflurane [27]			+		+		+

The original units of measurement are reported.

BAT, basophil activation test; ID, intradermal test; sIgE, specific IgE; SPT, skin prick test.

^aThis test was performed in 1981 by passive transfer experiments with serum drawn from the patient 3 months after the reaction and challenged in injection sites with 1% cromolyn solution. The recipient's skin showed no reaction directly to Cromolyn challenge.