[A vulnerable elderly man with prednisone-induced delirium].

A vulnerable elderly man with prednisone-induced delirium Background Delirium always has an underlying cause, for example, medication. This article describes the case of a man with severe delirium caused by prednisone. Case description A 91-year-old vulnerable man developed severe delirium with agitation, verbal and physical aggression and visual hallucinations 3 days after starting treatment with low-dose prednisone.