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Delayed‐type cutaneous drug eruption due to oral prednisolone

Dear Editor, Delayedtype allergic reactions to oral prednisolone are rare but important complications because it is widely used for its antiinflammatory effects. Here, we report a case of delayedtype cutaneous drug eruption due to oral prednisolone. A 62yearold man with no significant past medical history was referred to our hospital for a progressing skin rash over his entire face and trunk (Figure 1A,B). The rash presented approximately 24 hours after the oral administration of prednisolone 60 mg, adenosine triphosphate disodium hydrate (ATP) 180 mg, methylcobalamin 1500 μg, and teprenone 150 mg for sudden onset of sensorineural hearing loss. Physical examination was unremarkable except for the skin rash. No abnormal findings were noted on hematological testing, which included eosinophils, renal, and liver