Psychosis emerging on developmental baseline

New hallucinations, delusions, deterioration in someone with autism/ID

RoutineReview due

Compare (7)

At a glance

High-risk causes: 4
Related differentials: 6

Safety snapshot

Watch forCommand voicessevere self-neglectaggressioncatatonia

Presentation hinge

Developmental onset and restricted/repetitive or sensory features are central.

Separates the Autism / Intellectual Disability / ADHD / Developmental Overlap group. It is not specific to Psychosis emerging on developmental baseline.

Clinical review

Rows marked “Whole group”: Applies to the Autism / Intellectual Disability / ADHD / Developmental Overlap group — not specific to Psychosis emerging on developmental baseline

Why it fits

New hallucinations, delusions, deterioration in someone with autism/ID

Key features

Must-not-miss

Command voices, severe self-neglect, aggression, catatonia.

High-risk causes4 causes

Command voices
severe self-neglect
aggression
catatonia

Bedside question

Applies to the Autism / Intellectual Disability / ADHD / Developmental Overlap group.

Developmental onset and restricted/repetitive or sensory features are central.

Helpful clues

Immediate action

Applies to the Autism / Intellectual Disability / ADHD / Developmental Overlap group.

None listed

Priority steps

Investigations

Applies to the Autism / Intellectual Disability / ADHD / Developmental Overlap group.

None listed

Core tests

Mimics / overlap

Applies to the Autism / Intellectual Disability / ADHD / Developmental Overlap group.

None listed

Consider

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