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12-month warranty
Same day dispatch
Professionally endorsed

TENS Stim Machine: How It Works & the Treatable Conditions

A female news anchor reporting about TENS as a new faster pain relief solution

A Transcutaneous Electrical Nerve Stimulation or TENS stim machine is an electronic device for pain management. It operates by sending electrical currents to the body. It streams them via electrode pads placed on the skin. Accordingly, these electrical pulses can interfere with pain messages and stimulate the production of endorphins. As a result, TENS therapy can treat a wide variety of conditions. It can manage chronic pain and acute pain conditions. It can also address musculoskeletal pain and neuropathic pain.

Pain can manifest in a variety of ways and can be highly debilitating. Hence, finding the right tools to address discomfort is essential. Standard methods of pain relief include painkilling medications and physical therapies. However, TENS therapy is gaining popularity as a safe and effective solution in the medical field. Pain clinics, health professionals, and physical therapists often recommend it. This article will present how the TENS machine works, its benefits, and the types of pain it can relieve.

How Does a TENS Stim Machine Work?

A TENS stim machine works by delivering electrical pulses through the skin to the nerve fibres beneath. Accordingly, this activity has different purposes. Foremost, the generation of endorphins. Endorphins are chemicals in the body that act as natural painkillers. They bind to opioid receptors in the brain and spinal cord. Thus, it acts similarly to how analgesic medications work but without adverse effects.

The Pain Gate Theory is another fundamental concept behind TENS therapy. It suggests that there is a gating mechanism in the nervous system that can either allow or block pain signals. Nevertheless, the electrical currents from the TENS unit are believed to activate this gate. Hence, it prevents pain messages from being sent to the brain. It helps in reducing the sensation of discomfort.

In addition, the electrical stimulation can improve blood circulation to the treated area. Enhanced blood flow promotes healing by delivering more oxygen and nutrients to the site of pain. It also aids in the removal of waste products from the cells. As such, this activity can be particularly beneficial in treating conditions that involve muscle spasms or inflammation.

Frequencies and Intensities

The effectiveness of TENS lies in its ability to adjust the following:

  • Frequencies: Refers to the rate at which the electrical impulses are delivered, measured in Hertz (Hz). TENS units typically offer low (1-10 Hz) and high (50-120 Hz) frequencies. Lower frequencies can produce a more prolonged pain relief by triggering endorphin release. Meanwhile, higher frequencies are believed to block pain signals more effectively.
  • Intensities: Describes how strong the electrical impulses are, measured in Milliamperes (mA). The proper intensity varies from person to person. The goal is to set the intensity to a level that feels strong yet comfortable.

A person using a wearable and discreet TENS electrode on their thigh

Benefits of Using a TENS Stim Machine

Foremost, a TENS stim machine provides precise relief to the specific area of discomfort. Individuals can place the adhesive electrodes directly or near the treatment region. Secondly, TENS treatment is entirely non-invasive and drug-free. There are no incisions, internal medical procedures, or medications involved. Thus, it eliminates side effects, dependency risks, infections, and prolonged recovery periods.

Thirdly, TENS devices come with adjustable settings. It allows users to tailor the pulse rate, amplitude, and pulse durations. It ensures that individuals find the most effective setting for their situation. Fourthly, purchasing a TENS unit is cost-effective. It can be used multiple times. Hence, it eliminates the ongoing medication costs or the expense of physical therapies or surgical interventions.

Furthermore, TENS machines are highly portable due to their compact size. Individuals can easily carry these devices with them and use them as needed. TENS therapy can also be used in conjunction with other treatment methods. Additionally, unlike many medications and more invasive procedures, TENS therapy typically has manageable, minimal side effects.

Potential Side Effects

Skin irritation is a common side effect. It usually occurs at the electrode placement site and can manifest as redness, itching, or burning sensation. To minimise this, it is recommended to adhere to the duration of the treatment and ensure the skin is clean before electrode application. Though less common, allergic reactions can occur. Some individuals might have sensitivity to the materials used in the electrode patches. Users with known allergies should opt for hypoallergenic options.

Muscle twitching is another potential side effect. While generally not harmful, it can be uncomfortable. Adjusting the intensity of the stimulation can help manage and minimise this effect.

A woman holding her back due to pain while lying on a bed

Types of Pain that Can be Relieved with a TENS Stim Machine

The TENS stim machine can quickly relieve sudden and sharp acute pain conditions. It often arises due to sports injuries, surgeries, period cramps, and labour pain. Accordingly, TENS therapy can alleviate chronic pain conditions. It is a discomfort that can persist for months or even years. It usually results from conditions like arthritis, neck pain, backaches, shoulder pain, and fibromyalgia.

Moreover, TENS treatment can be particularly effective in managing neuropathic pain. It is caused by nerve damage or dysfunction. It may be due to sciatica, diabetic neuropathy, or phantom pain. TENS devices can also address musculoskeletal pain. It is a condition that affects the bones, muscles, and ligaments. It may include conditions like joint pain, rheumatoid arthritis, and osteoarthritis.

Lastly, TENS units can effectively aid muscular pain. It includes muscle cramps, spasms, and tightness. The device can help to ease tension, promote relaxation, and reduce discomfort. It is a valuable tool for athletes and individuals with physically demanding jobs. Overall, TENS machines are a flexible and effective pain management tool. It can address a wide range of pain types.

When to See a Doctor?

Healthcare professionals recommend seeking medical advice before using a TENS unit. It is particularly vital for individuals with underlying medical conditions, such as heart problems or epilepsy, or who have pacemakers. Accordingly, pregnant women are advised to speak with their healthcare provider before starting TENS therapy.

Additionally, if someone experiences unexpected or sudden discomfort, it is imperative to consult a doctor before using TENS. In cases where TENS therapy does not provide relief or if the pain worsens, individuals should seek medical advice. It could indicate the need for a different treatment approach, further investigation, or parameter adjustments.

Conclusion

Overall, a TENS stim machine is a valuable tool for managing discomfort. It is a battery-operated device that delivers electrical currents to the body via electrode pads attached to the skin. Consequently, these pulses work in various mechanisms. It blocks pain signals travelling to the brain, reducing the perception of discomfort. It can also trigger the release of the natural painkillers of the body known as endorphins. Additionally, TENS therapy can improve blood circulation in the treatment region.

The effectiveness of TENS also lies in the frequency and intensity of the impulses. TENS units can send the pulses in low (1-10 Hz) and high (50-120 Hz) frequencies. Also, individuals can adjust the intensity to a comfort level. Furthermore, TENS is non-invasive, drug-free, adjustable, cost-effective, and complementary. It can also treat a wide range of chronic or acute conditions. However, recognising the potential side effects of TENS and when to see a doctor is crucial for safe therapy.

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