Episode 978: Delusional Parasitosis

Contributor: Taylor Lynch, MD

Educational Pearls:

Delusional parasitosis is a subtype of the psychiatric condition delusional disorder Defined as a fixed, false belief of infestation by parasites or other organisms A somatic type of delusional disorder Primary delusional parasitosis Occurs in the absence of other psychiatric or medical conditions Secondary delusional parasitosis Causes include methamphetamine use disorder, schizophrenia, neurologic diseases, or medical conditions such as thyroid disease Pathophysiology Poorly understood Upregulation of striatal dopamine system is implicated Management Form a strong therapeutic alliance and do not discredit the patient immediately Perform a full physical exam This...