The evidence reviewed previously suggests that acupuncture is of similar efficacy as carbamazepine but with fewer adverse effects in treatment of trigeminal neuralgia.
Twelve studies met the inclusion criteria with 506 people in the acupuncture arm and 414 people in the control arm, in which carbamazepine (CBZ) was used as the control treatment. They were all low-quality studies, hence precluding meta-analysis. Only four trials reported that acupuncture was superior to CBZ, and the remaining eight studies showed no difference between the treatment and control groups. Adverse effects of acupuncture, which were reported in three studies, were mild.