Table 3

Drugs affecting the results of skin tests

Suppression

Duration of Suppression (days)


Cetirizine, desloratadine, ebastine, levocetirizine, mizolastine

++++

3-10


Chlorphenamine, promethazine

++

1-3


Ketotifen

++++

>5


Imipramine

++++

>10


Inhaled steroids

-

Systemic steroids

+/-


Cimetidine/ranitidine

-


Antileukotrienes

-


Scadding et al. Clinical and Translational Allergy 2011 1:2   doi:10.1186/2045-7022-1-2

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