The Radiology Department is asking pharmacy to weigh in on a policy that requires patients to have a driver if they need pretreatment of Prednisone and Diphenhydramine (50 mg orally) prior to contrast studies in patients with contrast allergy.
This has posed a hardship for many patients. Can anyone comment on this? Do you have objective criteria for evaluating / screeing patients for risk related to sedative properties of diphenhydramine?
Thanks for your input,