Table E1.
Skin prick and intradermal testing with corticosteroids and polyethylene glycols
| Agent (concentration) | Wheal (mm) | Flare (mm) | Interpretation |
|---|---|---|---|
| Skin Prick Test Results | |||
| Histamine control (0.1 mg/mL) | 6 | 30 | Positive |
| Saline | 3 | 3 | Negative |
| PEG 3350 | 11 | 45 | Positive |
| PEG 3350 (1:10 dilution) | 7 | 40 | Positive |
| PEG 3350 (1:100 dilution) | 7 | 40 | Positive |
| PEG 300 | 0 | 0 | Negative |
| Betamethasone (0.6 mg/mL) | 4 | 5 | Negative |
| Dexamethasone (0.4 mg/mL) | 3 | 3 | Negative |
| Hydrocortisone (5 mg/mL) | 4 | 4 | Negative |
| Methylprednisolone acetate (4 mg/mL) | 9 | 15 | Positive |
| Methylprednisolone sodium succinate (5 mg/mL) | 4 | 4 | Negative |
| Triamcinolone acteonide (1 mg/mL) | 4 | 4 | Negative |
| Intradermal Skin Test Results | |||
| Triamcinolone acetonide (0.1 mg/mL) | 17 | 36 | Positive |