肉毒素面部注射的不良反应——机制、预防与治疗

肉毒素作为一种由肉毒杆菌产生的能引起肌肉麻痹的神经毒素，目前应用于临床各个方面，在面部美容中尤为广泛。相较于传统手术方式，肉毒素注射的微创、安全等优点，受到更多求美者的青睐，并产生了较好的临床效果。但由于注射剂量、操作技巧、解剖变异等因素，操作过程中可能出现注射感受不佳、药物弥散等不良反应。

Adverse events of botulinum toxin A in facial injection: Mechanism,prevention and treatment

As a kind of neurotoxin causing muscle paralysis from Clostridium botulinum, the botulinum toxin A is currently used in different clinical aspects, especially in the facial cosmetic. Compared with the traditional surgical methods, the botulinum toxin injection is minimally invasive and safe, favored by more beauty seekers and with better efficacy. However, factors, such as injection dose, operation skills, and anatomical variation, may result in side effects during the operation, including poor injection experience and drug dispersion.