Delusional disorder refers to a condition in which an individual displays one or more delusions for one month or longer. Delusional disorder is distinct from schizophrenia and cannot be diagnosed if a ...

A skin condition tied to delusions is posing a riddle for doctors: What to do when a diagnosis causes offense?

A new study from Simon Fraser University researchers has found a close link between high levels of social media use and psychiatric disorders that involve delusions, such as narcissism and body ...

When "love" becomes obsessive—and sometimes destructive. Reviewed by David Susman, PhD Erotomania, often called De Clérambault's Syndrome, is a psychiatric disorder characterized by the delusional ...

Key points Delusional disorder can be hard to detect because the pathology is encapsulated and the person may seem very stable. If someone's delusion becomes believed by others and affects their ...