Treating myofascial pain with dry needling: a systematic review for the best evidence-based practices in low back pain.

If you've ever dealt with nagging low back pain, you may have heard of a treatment called dry needling. But what exactly is it, and does it actually work? A recent systematic review published in Arquivos de Neuro-Psiquiatria took a deep dive into the evidence to find out.

Dry needling is a technique where thin needles are inserted directly into tight, painful areas of muscle known as trigger points. It looks similar to acupuncture, but its focus is specifically on releasing muscular tension and relieving a condition called myofascial pain syndrome (MPS) — a very common cause of low back pain seen in both primary care and pain clinics.

Researchers reviewed studies published between 2000 and 2023, ultimately focusing on four high-quality randomized controlled trials and two meta-analyses. These studies compared dry needling against other treatments including acupuncture, laser therapy, physical therapy, local anesthetic injections, and sham (fake) dry needling.

The results were encouraging. Across the studies, dry needling consistently helped reduce pain intensity and improved patients' ability to function in daily life — both for people with acute (short-term) and chronic (long-term) low back pain. While the studies varied in their follow-up periods, the post-treatment benefits were clear and meaningful.

What does this mean for you? If you're struggling with low back pain caused by tight, knotted muscles, dry needling may be a worthwhile treatment option to explore. It has been shown to work at least as well as — and in some cases better than — several other common therapies.

That said, researchers note that more long-term studies are still needed. As with any treatment, results can vary from person to person.

Always seek care from a licensed and qualified practitioner who is trained and certified in dry needling or acupuncture to ensure your safety and the best possible outcomes.

This systematic review evaluated the evidence for dry needling (DN) in treating myofascial pain syndrome (MPS) associated with low back pain, drawing from studies published between 2000 and 2023. From an initial pool of 509 records, six studies met inclusion criteria: four RCTs and two meta-analyses. DN was compared against acupuncture, sham DN, laser therapy, physical therapy, local anesthetic injection, ischemic compression, and neuroscience education. Despite heterogeneity in outcome measures and follow-up durations, findings consistently demonstrated that DN reduces post-intervention pain intensity and pain-related disability in both acute and chronic lumbar presentations. No specific effect sizes were pooled across the final six studies due to variability in methodology. Clinical takeaway: DN represents an evidence-supported intervention for lumbar MPS and may be integrated into multimodal pain management protocols. However, long-term efficacy data remain limited, and higher-quality trials with standardized outcome measures and extended follow-up are warranted.