What is a TENS unit and how does it work?

A TENS (Transcutaneous Electrical Nerve Stimulation) unit delivers low-voltage electrical pulses through electrode pads placed on the skin. These pulses interrupt pain signals traveling to the brain, providing drug-free relief for back pain, sciatica, joint pain, and nerve pain.

What is the difference between TENS and EMS?

TENS is used primarily for pain relief by interrupting pain signals. EMS (Electrical Muscle Stimulation) causes muscle contractions and is used for muscle strengthening, recovery, and reducing atrophy. Many OrthoTape devices offer both TENS and EMS modes in a single wireless unit.

Can a TENS unit help with sciatica and back pain?

Yes. TENS therapy is widely used for back pain and sciatica as a drug-free pain management option. Electrode pads are placed on the lower back or along the sciatic nerve pathway, and the electrical pulses help reduce pain signals and provide temporary relief.

How often do I need to replace TENS electrode pads?

TENS electrode pads typically last 20–30 uses depending on skin type, hair, and how well they are stored. OrthoTape carries 4-pack replacement pads compatible with our wireless TENS units. Store pads in their original packaging and avoid contact with oils or lotions to extend pad life.

Are TENS units FSA or HSA eligible?

TENS units are generally FSA and HSA eligible as medical devices for pain relief. Check with your FSA/HSA plan administrator to confirm eligibility for the specific device you are purchasing.

THERAPY

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TENS Units & Muscle Stimulators — Drug-Free Pain Relief

OrthoTape carries wireless TENS units and EMS muscle stimulators for clinicians, physical therapists, and patients seeking effective, drug-free pain management at home or in the clinic. Our therapy collection features portable, rechargeable devices designed for back pain, sciatica, period pain, and muscle recovery — with app-controlled options for precision treatment.

What's in Our Therapy Collection

Wireless TENS Unit with EMS — a dual-mode device combining Transcutaneous Electrical Nerve Stimulation (TENS) for pain relief and Electrical Muscle Stimulation (EMS) for muscle recovery and strengthening. Targets back pain, sciatica, and muscle soreness.
Wireless TENS Unit with App Control — Bluetooth-connected TENS/EMS device with smartphone app control for customizable intensity, mode selection, and treatment scheduling. Ideal for back pain, sciatica, and period pain.
Replacement Electrode Pads (4-Pack) — compatible replacement pads for wireless TENS units. Reusable, self-adhesive gel pads for consistent electrode contact and effective stimulation.

Who Uses TENS Therapy?

Back pain and sciatica sufferers seeking drug-free, on-demand pain relief without medication side effects
Physical therapy patients using TENS as an adjunct to rehabilitation for muscle re-education and pain management
Athletes and active individuals using EMS mode for muscle recovery, warm-up, and performance support
Women managing period pain using TENS as a clinically supported, non-pharmacological option for menstrual cramp relief
Chronic pain patients managing conditions like fibromyalgia, arthritis, and nerve pain with regular TENS therapy

TENS vs. EMS — What's the Difference?

TENS (Transcutaneous Electrical Nerve Stimulation): Delivers low-voltage electrical pulses to interrupt pain signals traveling to the brain. Used primarily for pain relief — back pain, sciatica, joint pain, and nerve pain.
EMS (Electrical Muscle Stimulation): Delivers electrical impulses that cause muscle contractions. Used for muscle strengthening, recovery, reducing atrophy, and improving circulation.
Many devices in our collection offer both TENS and EMS modes in a single wireless unit — giving you pain relief and muscle recovery in one device.

Why Choose a Wireless TENS Unit?

No wires or leads — electrode pads connect directly to the device, allowing full freedom of movement during treatment
Rechargeable — USB rechargeable for convenient, cost-effective use at home, at work, or on the go
App control — Bluetooth-enabled models allow smartphone control of intensity, mode, and treatment duration for precision therapy
Discreet and portable — compact enough to wear under clothing for on-the-go pain relief throughout the day

Also explore:
Bracing — clinical-grade orthopedic braces from Ossur, DeRoyal, DonJoy, and eLife.
Cold Ice Therapy — compression wraps and cold therapy for back, shoulder, and joint pain relief.
Casting Supplies — fiberglass tape, padding, stockinette, and cast shoes.

TENS and EMS devices are general wellness products. Consult your physician or physical therapist before use if you have a pacemaker, implanted electronic device, epilepsy, or are pregnant. Always follow the manufacturer's instructions for safe use.