Overview
Persecutory delusion disorder involves persistent false beliefs of being persecuted or conspired against, often without a basis in reality. This condition can be induced by various medications, particularly dopaminergic agents and psychostimulants, as evidenced by pharmacovigilance reports 1.Diagnosis
Presence of one or more persecutory delusions that persist despite contradictory evidence 1.
Exclusion of other psychiatric disorders that might explain the delusions 1.
No specific laboratory tests; diagnosis primarily clinical 1.
Consider drug history, especially exposure to dopaminergic agents and psychostimulants, in differential diagnosis 1.Management
First-line treatments:
- Discontinue or adjust offending medications if identified (e.g., dopaminergic agents, psychostimulants) 1.
- Initiate antipsychotic therapy, typically with atypical antipsychotics such as risperidone or olanzapine 1.
Adjunctive treatments:
- Psychotherapy, particularly cognitive-behavioral therapy (CBT), to address delusional thinking 1.
- Supportive care and management of comorbid conditions 1.Special Populations
Pregnancy: Limited data; cautious use of antipsychotics with careful monitoring of both maternal and fetal outcomes 1.
Pediatrics: Use of antipsychotics should be reserved for severe cases with close monitoring due to potential long-term side effects 1.
Elderly: Increased risk of side effects; careful titration of antipsychotics with focus on non-pharmacological interventions 1.
Comorbidities: Management should consider interactions with existing conditions; adjust medications accordingly to avoid exacerbating symptoms 1.Key Recommendations
Evaluate and consider discontinuation or adjustment of potential offending medications in cases of drug-induced persecutory delusion (Evidence: Moderate) 1.
Initiate antipsychotic treatment with atypical antipsychotics for symptom management (Evidence: Moderate) 1.
Incorporate psychotherapy, particularly CBT, as an adjunctive treatment to address delusional beliefs (Evidence: Expert opinion) 1.References
1 Balcerac A, Baldacci A, Romier A, Annette S, Lemarchand B, Bihan K et al.. Drug-induced delusion: A comprehensive overview of the WHO pharmacovigilance database. Psychiatry research 2023. link