A 34-year-old man with a seizure disorder had not been taking anticonvulsant medications regularly. A previous pattern of recurrent seizures resolved after restarting anticonvulsant drugs. Recent seizure episodes were followed by delirium and presentation of Capgras syndrome. A variety of functional and organic etiologies for Capgras syndrome are known. This syndrome has been documented in cases of postictal delirium. These symptoms along with delirium ended with seizure control once back on anticonvulsant medicines.
Keywords: Capgras syndrome; anticonvulsant medication; delirium; delusion; epilepsy; postictal.