Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

263 questions · 270 findings · 9 reviews

No studies found 85 · 31.5%GRADE not reported 24 · 8.9%Very low 85 · 31.5%Low 42 · 15.6%Moderate 21 · 7.8%High 13 · 4.8%

HALOPERIDOL + PROMETHAZINE vs haloperidol

Adverse effects: Specific and serious adverse effects by 24 hours (not death) Central nervous system ‐ seizure · people with psychosis‐induced aggression

HALOPERIDOL + PROMETHAZINE showed no clear difference in adverse effects: Specific and serious adverse effects by 24 hours… compared with ANTIPSYCHOTIC ‐ HALOPERIDOL (low certainty).

1 finding from 1 review

Haloperidol discontinuation vs haloperidol continuation

Global state: 2. Clinically important change (no improvement) ‐ long term · schizophrenia

It is very uncertain whether haloperidol discontinuation changes global state: clinically important change ‒ not improved (CGI) compared with haloperidol continuation (very low certainty).

1 finding from 1 review

HALOPERIDOL + PROMETHAZINE vs OLANZAPINE

Adverse effects: Specific and serious adverse effect ‐ by 24 hours Central nervous system ‐ excessive sedation · people with psychosis‐induced aggression

HALOPERIDOL + PROMETHAZINE showed no clear difference in adverse effects: Specific and serious adverse effects by 24 hours… compared with ANTIPSYCHOTIC ‐ OLANZAPINE (low certainty).

1 finding from 1 review

HALOPERIDOL + PROMETHAZINE vs ZIPRASIDONE

Global state: Needing restraints or seclusion ‐ by 12 hours · people with psychosis‐induced aggression

HALOPERIDOL + PROMETHAZINE showed no clear difference in global state: Needing restraints or seclusion ‐ by 12 hours compared with ANTIPSYCHOTIC ‐ ZIPRASIDONE (moderate certainty).

1 finding from 1 review

HALOPERIDOL + PROMETHAZINE vs ZIPRASIDONE

Adverse effects: Specific and serious adverse effect ‐ by 24 hours Central nervous system ‐ excessive sedation · people with psychosis‐induced aggression

HALOPERIDOL + PROMETHAZINE showed no clear difference in adverse effects: Specific and serious adverse effect ‐ by 24 hours… compared with ANTIPSYCHOTIC ‐ ZIPRASIDONE (low certainty).

1 finding from 1 review