Are Non-Prescription TENS Units Powerful Enough to Manage Severe Chronic Pain? Severe chronic pain can wear a person down. Sleep suffers. Work gets harder. So it is fair to ask if a store-bought device can really help. The honest answer is mixed. Non-prescription TENS units can take the edge off pain, but they rarely solve severe pain alone. Used well, they can be a useful part of a bigger plan. This guide explains how strong these devices are, what research shows, and when more care is needed. Read More: https://blogosm.com/are-non-prescription-tens-units-powerful-enough-to-manage-severe-chronic-pain