what is delusional disorders
Definition. Delusional disorder refers to a condition associated with one or more nonbizarre delusions of thinkingâsuch as expressing beliefs that occur in real life such as being poisoned, being stalked, being loved or deceived, or having an illness, provided no other symptoms of schizophrenia are exhibited.auses. There are a variety of associated features to the delusional disorder including the development of an irritable or gloomy mood as a reaction to their delusional beliefs. Especially with persecutory and jealous types, marked anger and violent behavior can occur.