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Related Experiment Video

Updated: Jun 5, 2026

Self-Administration of Drugs in Mouse Models of Feeding and Obesity

Self-Administration of Drugs in Mouse Models of Feeding and Obesity

Published on: June 8, 2021

Delusional parasitosis responding to risperidone.

B S Narayana Gowda¹, S Heebbar, M T Sathyanarayana

¹B.S. NARAYANA GOWDA, M.B.B.S., Junior Resident, Department of Psychiatry, S.S.M.C., Tumkur, Karnataka-572107.

Indian Journal of Psychiatry

|January 6, 2011

Summary

Delusional parasitosis (DP) is common in India, especially in the elderly. Risperidone, an atypical antipsychotic, shows promise as a safer treatment option compared to pimozide, reducing side effects in this vulnerable population.

Keywords:

Delusional parasitosis atypical antipsychotic risperidone

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Last Updated: Jun 5, 2026

Self-Administration of Drugs in Mouse Models of Feeding and Obesity

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Published on: June 8, 2021

Area of Science:

Psychiatry
Dermatology
Geriatrics

Background:

Delusional parasitosis (DP) is a significant condition, particularly prevalent among the elderly population in India.
Current treatments like pimozide, a high-potency antipsychotic, pose risks of extra-pyramidal symptoms and tardive dyskinesia in older adults.
There is a clinical need for safer and effective therapeutic alternatives for DP in the elderly.

Purpose of the Study:

To evaluate the efficacy of risperidone, a high-potency atypical antipsychotic, in treating delusional parasitosis.
To assess the tolerability and safety profile of risperidone in elderly patients with DP.

Main Methods:

This case report documents the treatment of a patient with delusional parasitosis using risperidone.
Clinical observation and assessment of symptom improvement and adverse effects were conducted.

Main Results:

Risperidone demonstrated efficacy in managing the symptoms of delusional parasitosis.
The treatment was well-tolerated by the elderly patient, with no significant extra-pyramidal symptoms or tardive dyskinesia reported.

Conclusions:

Risperidone represents a potentially effective and safer alternative for managing delusional parasitosis in the elderly.
Further research is warranted to confirm these findings in larger clinical trials.