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What do systematic reviews say?

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Evidence found and GRADE certainty

2 questions · 2 findings · 2 reviews · Schizophrenia

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Anticholinergic medication vs other treatments

Tardive dyskinesia: No clinically important improvement · chronic schizophrenia patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether anticholinergic medication changes tardive dyskinesia: Not improved to a clinically important extent compared with other treatments (very low certainty).

1 finding from 1 review

Specific antipsychotic vs other drugs

Tardive dyskinesia: No clinically important improvement · patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether specific antipsychotic changes tardive dyskinesia: not improved to a clinically important extent compared with other drugs (very low certainty).

1 finding from 1 review