Table 3 Drugs affecting the results of skin tests
| Â | Suppression | Duration of Suppression (days) |
|---|---|---|
Cetirizine, desloratadine, ebastine, levocetirizine, mizolastine | ++++ | 3-10 |
Chlorphenamine, promethazine | ++ | 1-3 |
Ketotifen | ++++ | >5 |
Imipramine | ++++ | >10 |
Inhaled steroids | - | Â |
Systemic steroids | +/- | Â |
Cimetidine/ranitidine | - | Â |
Antileukotrienes | - | Â |