Schizophrenia-spectrum delusions

Bizarre/non-bizarre persecutory, referential, grandiose, nihilistic, passivity delusions

UrgentReview due

Compare (7)

At a glance

High-risk causes: 3
Related differentials: 6

Safety snapshot

Watch forThreat-to-self/otherscommand-linked behaviourprofound functional decline

Presentation hinge

Often fixed, systematised, accompanied by hallucinations, thought disorder, or negative symptoms.

Separates the Delusions / Paranoia / Thought Interference / Command Phenomena group. It is not specific to Schizophrenia-spectrum delusions.

Clinical review

Rows marked “Whole group”: Applies to the Delusions / Paranoia / Thought Interference / Command Phenomena group — not specific to Schizophrenia-spectrum delusions

Why it fits

Bizarre/non-bizarre persecutory, referential, grandiose, nihilistic, passivity delusions

Key features

Must-not-miss

Threat-to-self/others, command-linked behaviour, profound functional decline.

High-risk causes3 causes

Threat-to-self/others
command-linked behaviour
profound functional decline

Bedside question

Applies to the Delusions / Paranoia / Thought Interference / Command Phenomena group.

Often fixed, systematised, accompanied by hallucinations, thought disorder, or negative symptoms.

Helpful clues

Immediate action

Applies to the Delusions / Paranoia / Thought Interference / Command Phenomena group.

None listed

Priority steps

Investigations

Applies to the Delusions / Paranoia / Thought Interference / Command Phenomena group.

None listed

Core tests

Mimics / overlap

Applies to the Delusions / Paranoia / Thought Interference / Command Phenomena group.

None listed

Consider

Clinical reference — not validated decision support. Review before use.