Delusions of parasitosis and other forms of monosymptomatic hypochondriacal psychosis. General discussion and case illustrations.

In this article, the epidemiology and differential diagnosis of monosymptomatic hypochondriacal psychosis are discussed in detail. The use of pimozide is also discussed and illustrated with case reports. Delusional patients are some of the most challenging cases based in dermatologic practice. This challenge is so much easier to meet if one knows how to approach these patients and feels comfortable in the use of pimozide.