Table 5.
Pretreatment before Contrast Administration for Patients with Contrast Allergy
| Time before Procedure | Medication |
|---|---|
| 13 h | Prednisone 50 mg PO |
| 7 h | Prednisone 50 mg PO |
| 1 h | Prednisone 50 mg PO Diphenhydramine 25–50 mg PO/IV |
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