Even though researchers disagree on its effectiveness for lower back pain, they consider transcutaneous electrical nerve stimulation (TENS) safe with a low risk of complications. Learn where to place ...

A transcutaneous electrical nerve stimulation (TENS) unit works by delivering small electrical impulses through electrodes with adhesive pads to attach them to a person’s skin. Research has not proven ...

A TENS machine is small -- about the size of an iPad mini. It’s connected to a series of electrodes, which are put on your skin to deliver a low-voltage electrical charge. The electrical pulses ...

Medicare will cover the cost of renting a transcutaneous electrical nerve stimulation (TENS) unit for chronic pain or postoperative pain (pain experienced after surgery). In some cases, Medicare may ...