Atypical antipsychotic drugs in the treatment of delusional parasitosis

S Mercan, IK Altunay, N Taskintuna… - … of Psychiatry in …, 2007 - journals.sagepub.com
S Mercan, IK Altunay, N Taskintuna, O Ogutcen, S Kayaoğlu
The International Journal of Psychiatry in Medicine, 2007•journals.sagepub.com
Introduction: Delusional parasitosis (DP) is a rare delusional disorder in which patients
believe that they are infected with parasites, worms, insects, or bacteria. Antipsychotics are
the preferred treatment in these patients. Method: Case series in which we summarize six
patients with DP treated with atypical antipsychotic medications including amisulpride,
olanzapine, and risperidone. Results: One patient had a myocardial infarction after being
given amisulpride, and several patients did not adjust well. Parenterally administered …
Introduction
Delusional parasitosis (DP) is a rare delusional disorder in which patients believe that they are infected with parasites, worms, insects, or bacteria. Antipsychotics are the preferred treatment in these patients.
Method
Case series in which we summarize six patients with DP treated with atypical antipsychotic medications including amisulpride, olanzapine, and risperidone.
Results
One patient had a myocardial infarction after being given amisulpride, and several patients did not adjust well. Parenterally administered antipsychotics, particularly risperidone, were the most effective treatment in this series of patients with DP.
Conclusion
Patients with DP can be difficult to treat; however, parenterally administered antipsychotics appear to produce better results in these patients.
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