Abstract
Capgras Syndrome is a subcategory of delusional disorder. People affected by this syndrome believe that a close associate such as a friend or family member has been replaced by an identical imposter. This case report describes a 23-year-old woman with no prior psychiatric history, whom developed Capgras syndrome, via folie a deux, in the setting of poly-substance use. In this patient, a combination of Aripiprazole 10 mg daily and Escitalopram 10 mg daily were effective in resolving symptoms. Clonazepam was utilized for anxiety and Omega-3 fatty acids 1 g for anti-oxidative effects. Further studies are needed to investigate the effects of a variety of causes and treatments for Capgras Syndrome.
Highlights
Delusional disorder refers to a condition in which an individual presents false beliefs, despite overwhelming counterevidence and improbability
A person affected with this syndrome will believe that a close associate such as a friend or family member has been replaced by an identical imposter
Multiple studies and reports have commented on Capgras Syndrome in the setting of various neurological and neurodegenerative diseases
Summary
Delusional disorder refers to a condition in which an individual presents false beliefs, despite overwhelming counterevidence and improbability. A subcategory exists within delusional disorder known as a Capgras Syndrome. As named in ICD-10, or Folie a deux, known as shared psychotic disorder in DSM-IV, which has been removed from DSM-V, is described as a phenomenon seen when a delusional belief is transmitted from one individual to another.[3] This type of delusion is rare and is mostly described via case reports. Some reported risk factors developing a delusion are female gender, suggestibility, suspiciousness, and passivity.[4]. This case report describes a patient with no prior psychiatric history whom developed Capgras Syndrome, via folie a deux, in the setting of poly-substance use
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