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A transcutaneous electrical nerve stimulation (TENS) unit is a device that treats pain. It is small enough to hold in your hand. It comes with wires and pads that attach to the skin.
A TENS unit sends tiny electric signals to nerves near painful areas. The signals go from the device through wires placed on the skin with pads. The electric impulses activate nerves to reduce pain.
The feeling caused by TENS may feel like a tingle or a gentle massage.
Your care team will teach you how to use the TENS unit. Follow all their instructions.
Benefits of TENS include:
Risks of TENS include:
Reviewed: February 2022