Delusional parasitosis is a rare psychiatric disorder in which patients suffer from a fixed conviction of being infested by parasites despite contrary medical evidence. These patients usually consult with dermatology or infectious diseases medical specialists and their adherence to psychopharmacological treatment is poor. We present an illustrative case here and review some topics related to this pathology's approach, which requires synergy between psychiatry and other medical specialties.

Delusional parasitosis is a rare psychiatric disorder in which patients suffer from a fixed conviction of being infested by parasites despite contrary medical evidence. These patients usually consult with dermatology or infectious diseases medical specialists and their adherence to psychopharmacological treatment is poor. We present an illustrative case here and review some topics related to this pathology's approach, which requires synergy between psychiatry and other medical specialties.

Presentamos tres casos clínicos de pacientes con diferentes síntomas cenestésicos. En dos de ellos los síntomas cenestésicos son los principales, y en el tercer caso, los síntomas cenestésicos acompañan a los síntomas paranoides. Este tipo de síntomas descritos desde Kraepelin, hace más de cuarenta años, sigue teniendo vigencia y mayor importancia, pues se relaciona a un peor curso y pronóstico si lo comparamos con la esquizofrenia paranoide dentro de la cual se incluye en la clasificación actual.