Freudenmann and Lepping listed 4 common types of patients who present with delusional infestation (DI).
Demographic Group
Clinical Features
middle-aged to elderly female, usually in the community
social isolation, no history of psychiatric disease, normal cognition, normal social function
middle-aged to elderly adult, may be in a nursing home
multiple comorbidities, dementia, impaired vision and/or hearing, paranoia, psychosis
elderly adult
vascular encephalopathy, cortical atrophy, vascular dementia
young adult
episodes coinciding with periods drug abuse (amphetamines, cocaine, marijuana, other)
The first patient type is termed "primary" since it is not obviously secondary to an underlying disorder.
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Specialty: Infectious Diseases
ICD-10: ,
