Abstract
Parasitic delusion becomes manifest as an irrefutable belief of being attacked by insects. It often causes unbearable itching results in the individual's defense with superfluous and unsuitable application of cleaning and disinfection remedies which often cause skin damage.
The patients usually seek heal in a dermatologist who subsequently refers them to the psychiatric care. The dilemma in classification of the psychopathological picture occurs from the time of the first description of the disease more than a hundred years ago.
According to the International Classification of Diseases-10 may possible be diagnosed as a permanent disorder with dilutions (F22.0). Anti-psychotics and antidepressants offer effective therapy as also documented by two cases of the author.