Adverse Events of Botulinum Toxin Type A in Facial Rejuvenation: A Systematic Review and Meta-Analysis

ConclusionThis meta-analysis confirmed the safety profile of BTX-A for glabellar and crow ’s feet lines, and BTX-A usage for the removal of upper facial wrinkles, which have some significant mild-to-moderate adverse profiles, including headache, eye disorder, eyelid ptosis, and heavy eyelids. Facial injectors should abide by the technical standards of neurotoxic drugs and be familiar w ith the local pharmacological effects to lessen the severe side effects.Level of Evidence IThis journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the A5 online Instructions to Authorswww.springer.com/00266.
Source: Aesthetic Plastic Surgery - Category: Cosmetic Surgery Source Type: research