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What is Infrared Heat Treatment?

Infrared light therapy or heat therapy works by improving circulation and blood flow to an area on the body by directly increasing temperature. Also known as infrared radiation, it literally stimulates the molecules by jostling them not action. Increasing the temperature to a target area can soothe pain, ease discomfort, and increase muscle flexibility. If muscles are in pain they go into spasm, which means they ‘lock-up’, this prevents blood flowing in and out of the muscles. By using heat therapy, the intense heat helps to relax the muscles and it encourages improved circulation so that oxygen-healing blood flows back to the muscles once again. Good blood flow, or circulation, is necessary because this blood flow brings oxygen to the muscles helping them to perform properly and, equally as important, it removes toxins away from the muscles. If toxins stay in muscles they cause pain too, which is why improved circulation is so important in pain relief.


What symptoms can Infrared Therapy treat?

Infrared heat therapy is an intelligent-heat-treatment; it works by improving circulation and blood flow to an area due to increased temperature. By increasing the temperature of the afflicted area even slightly it can soothe discomfort and increase muscle flexibility. Heat therapy can relax and soothe muscles and heal damaged tissue and can be used for the following too:

  • Infrared therapy for pain relief, sore muscles and after exercise - Applying infrared heat to an inflamed area will dilate the blood vessels, promote blood flow, and help sore and tightened muscles relax. In addition, improved circulation can help eliminate the build-up of lactic acid waste that occurs after some types of exercise. It is lactic acid that causes stiffness in muscles post work-out, so for faster recovery in between workouts infrared heat might help.

  • Soothe Colds and Flu and some evidence shows can reduce instances of developing a cold.

  • COVID-19 - ‘Red and near infrared light reduce respiratory disorders, similar to those complications associated with coronavirus infection.’4.

  • Infrared therapy may relieve painful trigger points. A trigger point is a small sensitive spot on a muscle, a distinct nodule lying within the muscles’ connective tissue (known as fascia).

  • Infrared Therapy relieves Neck and Plantar Fascia Pain - a clinical study from the School of Physical Therapy, Touro University Nevada shows that patients reported pain reduction ‘significantly better in the heat groups’ 1.

  • Heat Therapy for Rheumatoid Arthritis – heat therapy helps improve pain tolerance and relaxes muscles. Infrared therapy is a standard treatment in many physical therapy practices. When asked, many patients said they preferred thermotherapy to no therapy. Thermotherapy can be used as a palliative therapy which can be applied at home as needed to relieve pain. 2.

  • Clinical studies show that wounds heal faster with infrared radiation. Infrared therapy for faster wound healing 3.


  1. Local Heating of Trigger Points Reduces Neck and Plantar Fascia Pain Jerrold Petrofsky 1, Michael Laymon 1, Haneul Lee 2

  2. Thermotherapy for Treating Rheumatoid Arthritis

  3. ‘We suggest that FIR-regulated autophagy and inflammasomes will be important for the discovery of novel therapeutics to promote the healing of burn wounds.’

  4. ‘red and near infrared light reduce respiratory disorders, similar to those complications associated with coronavirus infection. Moreover, in patients, red light has been shown to alleviate chronic obstructive lung disease and bronchial asthma. These findings call for urgent efforts to further explore the clinical value of light, and not wait for another pandemic to serve as a reminder.’

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