Systematic reviews of trials between 2013 and 2016 found that acupuncture performed by trained practitioners using ‘clean needle technique’ is a generally safe procedure. (Lao, 2006)

One systematic review of reviews between 1996 and 2015 found adverse events are rare and often minor in acupuncture treatment. (Chan, 2017)

Lao L. Acupuncture practice, past and present: is it safe and effective?. Journal of the Society for Integrative Oncology. 2006;4(1):13.

Chan MWC, Wu XY, Wu JCY, Wong SYS, Chung VCH. Safety of Acupuncture: Overview of Systematic Reviews. Sci Rep. 2017;7(1):3369. Published 2017 Jun 13. doi:10.1038/s41598-017-03272-0