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 vs LOW‐POTENCY ANTIPSYCHOTIC DRUGS

Adverse effects ‐ movement disorders ‐ At least one movement disorder · patients with schizophrenia

HALOPERIDOL may leads to higher adverse effects ‐ movement disorders ‐ At least one movement disorder compared with LOW‐POTENCY ANTIPSYCHOTIC DRUGS (low certainty).

1 finding from 1 review

HALOPERIDOL vs placebo

Global state: no overall improvement (psychiatrist ‐ rated) · patients with schizophrenia

HALOPERIDOL probably leads to lower overall improvement: No marked global improvement Rated by clinician compared with PLACEBO (moderate certainty).

1 finding from 1 review

HALOPERIDOL vs placebo

Not discharged from hospital · patients with schizophrenia

It is very uncertain whether HALOPERIDOL changes not discharged from hospital compared with PLACEBO (very low certainty).

1 finding from 1 review

HALOPERIDOL vs placebo

Leaving the study early · patients with schizophrenia

HALOPERIDOL showed no clear difference in leaving the study early compared with PLACEBO (moderate certainty).

1 finding from 1 review

HALOPERIDOL vs placebo

Adverse effects. Specific: movement disorders ‐ parkinsonism · patients with schizophrenia

HALOPERIDOL probably leads to higher adverse effects: Movement disorders ‐ parkinsonism compared with PLACEBO (moderate 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