Delusional parasitosis: Report on response to olanzapine in a case series of 04 patients.

Delusional parasitosis (DP) is a type of delusional disorder which is characterised by single hypochondriacal delusion in which patient believes that he/she is infested with insects/worms/parasite. The authors present a case series of four cases of DP which were assessed in the outpatient department of psychiatry of a tertiary care hospital in Western Maharashtra. The patients with DP were predominantly women around 50 years of age who were treated successfully with Tab Olanzapine and psychotherapy with favourable response.