KnowraDelusional disorderLinked fromLinked fromThe 9 pages that link to Delusional disorder, each with the reason it gives.All 9Broader topic 1Related 2Compared with 6SchizophreniaCompared with: Its narrower symptom profile can help distinguish it from schizophrenia.DelusionBroader topic: It is a diagnosis in which delusions are the central clinical feature.Brief psychotic disorderCompared with: Its persistent delusions differ from a short episode followed by full recovery.Schizotypal personality disorderCompared with: Fixed delusions differ from the unusual, often non-delusional beliefs associated with schizotypal personality disorder.Delusional parasitosisRelated: Delusional parasitosis is commonly classified within this diagnostic family when no other disorder explains it.Paranoid personality disorderCompared with: Fixed persecutory beliefs distinguish delusional disorder from the broader suspicious style of this personality disorder.ParaphreniaCompared with: Both diagnoses center on delusions, but paraphrenia also commonly included hallucinations.Truman Show delusionRelated: It is one possible diagnostic context for a persistent belief of this kind.Folie à deuxCompared with: Unlike folie à deux, it does not require another person to share the delusion.