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AU Registered Medical Device
12-month warranty
Same day dispatch
Professionally endorsed

TENS Unit for Endometriosis Pain: Can It Help Relieve Menstrual Pain?

A woman sitting on a couch while touching her abdomen in pain

Many women find endometriosis to be a debilitating condition, especially during their menstrual cycle. Thus, they constantly search for ways to alleviate the discomfort. Some are turning to Transcutaneous Electrical Nerve Stimulation or TENS units for endometriosis pain as a potential solution. TENS helps relieve different types of pain, including menstrual cramps. The battery-operated device emits mild electrical impulses to the lower abdomen or back. Consequently, TENS lessens aches and discomfort by pain gating and natural painkiller production.

Endometriosis is a condition where tissue similar to the lining of the uterus grows outside of it. Hence, it causes symptoms ranging from pelvic pain, heavy menstrual periods, and infertility. Traditional treatments include medications and hormone therapy. However, these options may not always provide adequate relief for some individuals. Fortunately, they can rely on alternatives, like TENS. To learn more about the medical device, the following sections will present what it is, how it works, and how to operate it.

What is a TENS Unit for Endometriosis Pain?

A TENS unit for endometriosis pain is an electrical device that delivers gentle currents to affected nerve cells. Then, users receive instant relief from the stimulation. The machine comes with a set of adhesive electrode pads. These are available in various sizes and shapes. Larger ones are suitable for body areas like the abdomen and back. On the other hand, smaller ones are appropriate for more targeted pain relief in specific areas.

Women suffering from endometriosis can rely on TENS as a non-invasive and drug-free option for managing the pain associated with the condition. They can relieve discomfort, allowing them to continue their daily activities with less disruption. Many people find that using a TENS unit allows them to take control of their pain management and reduce their reliance on traditional painkillers or over-the-counter medications.

TENS machines are generally safe to use, even at home. Nevertheless, consulting a healthcare professional is vital to ensure correct and effective usage. Additionally, they can monitor the use of the device and make any necessary adjustments to ensure the individual is getting the most benefit from the unit.


  • TENS is a natural pain reliever. This means it does not involve opioid medications. Moreover, needle insertion is not necessary with electrical nerve stimulation.
  • The small, battery-operated device allows users to target specific body areas affected by endometriosis, providing localised pain management.
  • Most TENS machines are handy. Thus, women can reduce mild to severe pain whenever necessary and wherever they are.
  • A TENS-based device usually has adjustable settings. Hence, individuals can personalise their experience by modifying the intensity, frequency, and duration.
  • People can engage more in daily activities and maintain a better quality of life when using TENS because it helps improve mobility.

A TENS kit with two packs of refillable gel and necessary information

How Does a TENS Unit for Endometriosis Pain Work?

Generally, a TENS unit for endometriosis pain works by utilising low-voltage electrical pulses. They are sent to the affected area, helping to disrupt the pain signals that travel to the brain. Women can activate this pain-gating mechanism through high-level frequencies (50-120 Hz). This setting provides a fast yet short-term relief for painful conditions.

Also, individuals can utilise low frequencies (1-9 Hz) to trigger the production of endorphins. These are natural pain-relieving chemicals the human body produces when experiencing pain or stress. Using this setting allows for longer-lasting pain relief without the need for medication. However, they should note that its effect may not manifest as immediately as the high-frequency setting.

In addition, the electrical nerve stimulator can relax the muscles in the pelvic region. This reduces the cramping and discomfort that often accompanies endometriosis pain. To summarise, TENS offers instant relief through high frequencies and longer-lasting relief through low frequencies. It also helps relax muscles, making it a versatile and effective tool for managing endometriosis pain.

Main Theories at Work

TENS works through two main theories. Firstly, it is the Gate Control Theory of Pain. It suggests that when people place the electrode pads on the skin, the electrical impulses from the device travel through the nerves and reach the brain faster than the pain signals. Then, it closes the gate to pain messages, which reduces pain perceptions.

Secondly, it is the Endorphin Release Theory. This states that the electrical currents from TENS stimulate the production of endorphins. These natural painkillers help lessen feelings of discomfort and distress. Both theories provide a basis for understanding how TENS can effectively manage pain.

A woman using a TENS machine on her lower back

How to Operate a TENS Unit for Endometriosis Pain

Operating a TENS unit for endometriosis pain is simple. Before proceeding, remember and follow the instructions of the manufacturer and a health professional. Also, ensure the skin and device are clean and dry for secure adhesion and proper conduction of the electric impulses. After the preparation, place the electrode pads on the pain site. Then, turn the machine on.

As the therapy session progresses, users can adjust the intensity level. However, it is necessary to always begin with the lowest setting to avoid experiencing sudden electrical shocks. Moreover, people can choose from various pre-set modes suitable for different medical conditions, including endometriosis pain. These provide different patterns of electric pulses for adequate pain relief.

Pay close attention to the response of the body to TENS treatment. Be mindful of any skin irritation or allergic reactions caused by the adhesive electrodes. Additionally, only undergo sessions for 20-30 minutes at a time to prevent overstimulation of the nerves. Once the treatment is over, turn the machine off and remove the electrode pads carefully.

Electrode Placement Guide

Adhering to the electrode placement guide is essential when using a TENS device. For endometriosis pain, it is advisable to place the pads on the lower abdomen. Position them below the belly button and to the sides of the pelvis where pain is most prominent.

Moreover, women can attach the electrode pads to the lower back. This covers a broader area and effectively manages endometriosis pain. Also, they can use multiple patches to target different areas simultaneously. However, each one should be placed at least one inch apart from the other to ensure even distribution of the electrical stimulation.


The TENS unit for endometriosis pain can be valuable to many women experiencing the condition. It is a portable, battery-operated device that sends mild electrical pulses to the nerves of the affected body sites. It can block pain signals from getting to the brain through high-frequency settings. Moreover, TENS can boost the production of natural painkillers and relax the muscles using low-frequency settings. This is beneficial because it can non-invasively manage pelvic pain and improve the overall quality of life.

Individuals will find operating a TENS machine simple. However, it is essential to first consult a health professional and read the manual guide. Then, they can place the electrode pads on the lower back or abdomen, where endometriosis pain is typically felt. Afterwards, users can adjust the duration, frequency, and intensity of TENS. They can also utilise the pre-set modes for specific conditions like endometriosis. After the treatment session, turn off the device and remove the patches from the skin.

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