BACKGROUND Little is known about the treatment of delusional parasitosis with typical and atypical antipsychotics. AIMS To evaluate the effectiveness of typical and atypical antipsychotics in primary delusional parasitosis (delusional disorder, somatic type). METHOD A systematic review was conducted. RESULTS No randomised trials were found and hence we collected the best evidence from 16 ...

We compared 20 patients with late-onset schizophrenia, 7 with delusional disorder with hallucinations (paraphrenia), and 13 with delusional disorder without hallucinations (late-onset paranoia). We found that these three categories could be distinguished from each other on some clinical parameters. Late-onset schizophrenia was characterized by bizarre delusions; auditory hallucinations; to a le...

INTRODUCTION Gender differences in attendance rates for appointments in delusional disorder have been poorly studied. Furthermore, delusional disorder is traditionally considered a treatment-resistant disorder. MATERIAL AND METHODS We conducted a longitudinal retrospective study with a one-year follow-up, including 78 delusional disorder patients (DSM-IV-TR), consecutively admitted over a per...

The degree of hypothalamic-pituitary-adrenal (HPA) axis dysregulation in depressed patients with schizoaffective disorder was compared to that seen in patients with major depressive disorder with and without delusional features. The frequency of nonsuppression to dexamethasone was similar for all three diagnostic groups. Maximum postdexamethasone plasma cortisol was greater for delusional depre...