Transcutaneous Electrical Nerve Stimulation May Help Reduce Neck and Back Pain

Transcutaneous electrical nerve stimulation is also known as TENS or TNS. It is a passive, non-invasive, non-addictive modality with no known side effects. TENS works to decrease perception of back pain or neck pain. The treatment can help patients control acute and chronic pain. It may also be used with other treatments, such as therapeutic exercise.

What is TENS?
Transcutaneous (through the skin) electrical nerve stimulation sends a painless electrical current to specific nerves. The current may be delivered intermittently. The mild electrical current generates heat to relieve stiffness, improve mobility, and relieve pain. The treatment is believed to stimulate the body’s production of endorphins or natural pain killers.

How is the treatment administered?
Electrode patches are applied to the skin in the area to be treated. The mild current runs from the stationary stimulator through these patches. TENS is also used to deliver topical steroid medication through the skin to treat acute episodes of pain. This treatment is called Iontophoresis. The mild current causes the medication to migrate into soft tissue serving to reduce inflammation.

Is the equipment portable?
The portable stimulator is a small battery-operated or rechargeable device that can be worn about the waist. The unit can be programmed, turned on or off as needed for pain control. Although these units can be purchased or rented, a prescription from a physician may be required. The physical therapist is often the person to teach the patient how to use the device, including proper placement of the electrodes for optimal benefits.

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