Sciatica: Notes From the Clinic

The evidence is genuinely encouraging. A 2015 systematic review and meta-analysis by Ji and colleagues, pooling twelve trials, found acupuncture more effective than conventional Western medicine for sciatica across pain intensity and overall effectiveness measures, with a favourable safety profile. The 2018 Vickers individual patient data meta-analysis, though not sciatica-specific, confirmed that acupuncture produces clinically meaningful and durable reductions in chronic pain compared with sham and no-treatment controls. The current caveat is the usual one: trial quality varies, and the best evidence supports acupuncture as part of a conservative package alongside movement rehabilitation rather than as a standalone cure.

True sciatica means the pain follows the sciatic nerve distribution — deep in the buttock, down the back or side of the thigh, sometimes past the knee into the calf or foot — and usually comes with neurological signs such as numbness, tingling, or weakness. Simple referred pain from the lumbar facets, sacroiliac joint or gluteal muscles can mimic the pattern but rarely goes below the knee cleanly and doesn't produce reliable neurological changes. In clinic I use the straight leg raise, slump test, dermatomal sensation check, myotome strength and reflexes to sort the two. If the picture is genuinely radicular I'm slower, more cautious with depth around the spine, and more conservative about session numbers before reassessing.

In experienced hands, yes. Acupuncture is a well-tolerated intervention for both disc-related and piriformis-driven sciatica, and the NICE NG59 guideline supports non-pharmacological options in this population. The clinical task is to screen carefully for red flags every visit — progressive neurological loss, bilateral leg symptoms, saddle numbness, bladder or bowel change, unexplained weight loss, fever — and to refer immediately if any are present. Outside that, sensible needling depth and direction, especially around the lumbar spine and the greater sciatic notch, keeps the risk profile low.

For a first-episode piriformis-driven sciatica I often see a meaningful shift inside three to four sessions. Genuine disc-related radiculopathy is a longer job — I plan an initial course of eight to twelve sessions over eight to ten weeks and I tell patients that up-front. If there's no change by session six I stop and rethink rather than just doing more of the same. Recurrence is common, so I taper to fortnightly then monthly maintenance for anyone with a long-standing pattern.