Delusional disorder
Delusional disorder:
- Development of a single or a set of related delusion which are persistent
- Hallucination, disorganization and negative symptoms are absent
- Persecutory Type, Jealous Type, Erotomania Type, Grandiose Type
- Somatic Type – Delusional parasitosis, Delusional dysmorphophobia, Delusion of Halitosis
- Capgras Syndrome – Familiar person has been replaced by an imposter
- Fregoli Syndrome – Familiar person are taking the guise of strangers
- Syndrome of intermetamorphosis – People can change into other person
- Syndrome of subjective doubles – Patient has many doubles who are living life of their own
Induced delusional disorder:
- Characterized by spread of delusion from one person to another
- Folie-e-deux – When two people are involved [Folie e trois, Folie e quatre]
- The patient functions normally in domains which are unaffected by the delusion
- Management – Antipsychotic Drugs