Skip to main content

Shared Delusional Disorder

Irene Coletsos, MD and Harold J. Bursztajn, MD Reviewed 06/2019
 


BASICS

DESCRIPTION

  • Shared delusional disorder occurs when a delusional belief held by one person (the “primary”) becomes shared by one other (the “secondary”) or several other people associated with th...

DIAGNOSIS

HISTORY

  • For the primary: may be a history of lack of parental contact leading to feelings of deprivation or excess family strife, in turn leading to emotional overload. A child in such an env...

TREATMENT

  • First, explore whether the primary and secondary patients should be separated: If they are willing to be treated and their relationship is benign, consider treating them together. Also asses...

ONGOING CARE

  • Psychotherapy

  • Care professionals to support the family (or group) involved and try to lessen social isolation

  • Legal involvement if a child/elder/incompetent adult has been victimized

FOLLOW-UP RECOMMENDATIONS

REFERENCES

1
Arnone D, Patel A, Tan GM. The nosological significance of folie à deux: a review of the literature. Ann Gen Psychiatry.  2006;5:11. [View Abstract on OvidMedline]
2
Ghosh P. Shared del...

ADDITIONAL READING

  • Bursztajn H, Barsky AJ. Facilitating patient acceptance of a psychiatric referral. Arch Intern Med.  1985;145(1):73–75. [View Abstract on OvidMedline]

  • Gutheil TG, Bursztajn H. C...

CODES

ICD10

  • F24 Shared psychotic disorder

  • F22 Delusional disorders

ICD9

  • 297.3 Shared psychotic disorder

  • 297.1 Delusional disorder

SNOMED

  • 61831009 Induced psychotic disorder

  • 48500005 delusional disorder (disor...

CLINICAL PEARLS

  • Rule out medical causes for psychosis.

  • Be aware that delusions occur along a continuum, from a cherished or cultural belief to a pathologically adopted belief system that isolates and m...

Subscribe to Access Full Content

Sign Up for a 10-Day Free Trial

Sign up for a 10-day FREE Trial now and receive full access to all content.

×