[Exogenous psychosis in a patient with carcinoid syndrome following treatment with p-chlorophenylalanine (PCPA)].

A case is reported of a patient with carcinoid syndrome who developed a exogenous psychosis while under treatment with the serotonin-inhibitor p-chlorophenylalanine (PCPA). Partial symptoms similar to delirium and schizophrenia were exhibited. The attached literature survey focuses on the psychological side effects of PCPA treatment. A discussion follows concerning noteworthy phenomenological similarities between the case reported and certain forms of amphetamine psychosis. Common biochemical mechanisms are hypothetically stated.