Antidepressant effects of facial botulinum toxin a injections: Insights from randomized controlled trials.
Depressive disorders cause significant global disability, yet oral antidepressants often have systemic side effects and delayed onset. This systematic review and meta-analysis evaluated the efficacy and safety of facial injections of Botulinum toxin A (BoNT/A) compared with placebo and the active antidepressant sertral...