Chattanooga TENS Unit: Practical Patient Guidance

It may be used as one part of a broader plan that includes activity changes, exercise, and treatment of the underlying problem. It does not confirm a diagnosis, and relief can differ from one person or pain episode to another.

Self-adhesive electrodes connect the unit to the skin around a treatment area. When switched on, the device usually produces a buzzing or tingling sensation. The setting should feel clear and comfortable rather than hot, sharp, or painful, and routine TENS use is not intended to force a muscle contraction.

Programs can vary in pulse pattern and controls. Instructions for another model may not match your unit, so identify the exact model and use its supplied manual alongside the placement plan from your physiotherapist.

Before starting, inspect the cables and pads, clean and dry the skin, attach the electrodes while the unit is off, and confirm the intended program. Raise intensity slowly. When finished, turn the output down and switch the device off before lifting the pads by their edges.

Avoid use while driving, bathing, sleeping, or operating machinery. Do not place electrodes across the chest, on the front or sides of the neck, over the head, or on damaged or numb skin. Obtain tailored guidance if you have a pacemaker or another implanted electronic device, seizures, reduced skin sensation, or pregnancy.

Turn the unit off promptly for a burning sensation, worsening pain, blistering, persistent redness, light-headedness, an irregular heartbeat sensation, or unexpected muscle spasm. Chest pain, fainting, new severe breathlessness, or sudden one-sided weakness requires urgent medical assessment rather than another TENS session.

Arrange a clinical review when pain keeps progressing, new numbness or weakness develops, or you increasingly rely on stimulation without understanding the cause of the symptoms. A clinician can reassess the diagnosis, pad locations, settings, and wider treatment plan.

Ask your clinician to mark the pad positions, demonstrate the intended feeling, specify the session schedule, and explain how to clean or replace the electrodes. Also clarify whether the unit should be paused when symptoms change and which activities should accompany treatment.