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Delusional parasitosis--study of 3 cases
K Hanumantha1, P V Pradhan, B Suvarna
1Dept. of Psychiatry, KEM Hospital, Parel, Bombay, Maharashtra.
Journal of Postgraduate Medicine
|October 1, 1994
Summary
Pimozide effectively treated delusional disorder, somatic type (parasitosis) in three patients. This rare psychiatric condition involves delusions of insects, which resolved within two weeks of treatment.
Area of Science:
- Psychiatry
- Neurology
Background:
- Delusional disorder, somatic type (parasitosis) is a rare condition presenting diagnostic and therapeutic challenges.
- Patients often seek medical attention from specialists like ENT surgeons or neurosurgeons due to their specific delusions.
Observation:
- Three cases of delusional disorder, somatic type (parasitosis) were observed over three years.
- Patients reported a fixed belief of insects burrowing in their ears, fearing brain invasion.
- No significant psychiatric history or premorbid personality issues were noted; two patients had moderate stressors.
Findings:
- Pimozide, a selective dopamine blocker, demonstrated promising results in treating these cases.
- Delusions resolved within two weeks of pimozide therapy.
- Therapy was continued for five months to ensure sustained remission.
Implications:
- Pimozide is a potential therapeutic option for delusional disorder, somatic type (parasitosis).
- Early psychiatric evaluation is crucial for accurate diagnosis and management of somatic delusions.
- Understanding the specific delusions can guide effective treatment strategies for this rare disorder.