Table 2:

Precontrast exposure medication regimen and resultant reactions

Pre-Exposure Regimen	No. (%)
Diphenhydramine and corticosteroid	56 (93%)
Corticosteroid only	4 (7%)
Medication specifics	n (%)
Diphenhydramine (median dose)	56 (93%), 50 mg
Corticosteroids (median dose)
Hydrocortisone	48 (80%), 200 mg
Methylprednisolone	11 (18%), 100 mg
Dexamethasone	1 (1.7%), 10 mg
Postexposure reaction
Nausea, vomiting	0 (0)
Rash	0 (0)
SOB, wheezing	0 (0)
Anaphylaxis	0 (0)
Other	0 (0)

Note:—SOB indicates shortness of breath.