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Evidence found and GRADE certainty

1 questions · 1 findings · 1 reviews

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Botulinum toxin type A vs placebo

Adverse events (reported at any time) (2 RCT, 169 participants) · adults with blepharospasm

Botulinum toxin type A showed no clear difference in adverse events (reported at any time) (2 RCT, 169 participants) compared with placebo (low certainty).

1 finding from 1 review