TENS Therapy Proves Long-Term Relief for Fibromyalgia Patients in New Study

A new study has confirmed the long-term benefits of TENS therapy for fibromyalgia patients. The treatment, which uses mild electrical pulses to ease pain, proved as effective as FDA-approved drugs. Researchers found it also reduced fatigue and improved movement for those struggling with the condition. The study, led by Kathleen Sluka from the University of Iowa Health Care, involved 384 participants across 28 clinics in the US. Published in JAMA Network Open on March 27, it showed that TENS—transcutaneous electrical nerve stimulation—significantly cut movement-related pain and tiredness when added to standard physical therapy.

TENS works by sending gentle electrical signals through adhesive skin electrodes. Unlike many painkillers, its effects lasted at least six months without patients building tolerance. Eight in ten participants reported finding the therapy helpful, while 70% said they felt better overall after using it. Fibromyalgia, which affects 4% to 7% of people, often disrupts daily life by impairing movement, thinking, and sleep. Exercise is usually the first recommended treatment, but pain and exhaustion frequently make it difficult to stick with. The study highlighted that TENS offered a 'dose-dependent' benefit, meaning longer or more frequent use led to greater relief.

The findings suggest TENS could be a reliable, drug-free option for managing fibromyalgia symptoms over time. With no loss of effectiveness after six months, it may provide a lasting alternative to medications that often wear off. Patients in the trial responded positively, indicating strong potential for wider use in pain management.