Table 3.

Results of skin prick testing in the patient.

Allergen	Reaction
Positive control	6 mm
Negative control	Nil
D. pteronyssinus	10 mm
Cat	Nil
Dog	Nil
Grasses	10 mm
Trees	Nil
Cockroach	Nil
Alternaria alternata (tenuis)	9 mm
Aspergillus fumigatus	Nil
Trychophyton spp.	Nil
Cladosporium herbarum	Nil
Budgerigar	Nil