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 ...

What Are Delusions of Persecution? At some point, you’ve probably believed something that later turned out to be untrue. But if you have a rare mental illness called delusional disorder, no amount of ...

Delusional disorder is a serious mental illness where you can’t tell the difference between what’s real and what’s not. Delusions, or false beliefs, come in several types. Delusions of grandeur are ...

When someone has persecutory delusions, they believe a person or group wants to hurt them. They firmly believe this is true, despite the lack of proof. It may occur with some mental health disorders.

Delusions are fixed beliefs that do not change, even when a person is presented with conflicting evidence. Delusions are considered "bizarre" if they are clearly implausible and peers within the same ...