What Is Cold Laser Therapy?

Low-level laser therapy (LLLT), cold laser therapy, photobiomodulation (PBM)or red light therapyis a form of medicine that applies low-level (low-power) lasers or light-emitting diodes (LEDs) to the surface of the body.

Low-level laser therapy (LLLT), cold laser therapy, photobiomodulation (PBM)or red light therapy is a form of medicine that applies low-level (low-power) lasers or light-emitting diodes (LEDs) to the surface of the body. Whereas high-power lasers are used in laser medicine to cut or destroy tissue, it is claimed that application of low-power lasers relieves pain or stimulates and enhances cell function.

Described sometimes as Low-level Red-light Therapy (LLRL), has effects that appear to be limited to a specified set of wavelengths and new research has demonstrated effectiveness at myopia control. Several such devices are cleared by the United States Food and Drug Administration (FDA), and research shows potential for treating a range of medical problems including rheumatoid arthritis and oral mucositis.

How Does Cold Laser Therapy Work?

During a cold laser therapy session, a low-level laser device is used to emit specific wavelengths of light, which are directed onto the affected area. The body tissue absorbs this light, triggering a physiological response that helps in healing damaged cells.

There are different wavelengths of light used depending on the depth of the tissue being treated:

Superficial tissue is treated with wavelengths between 600 and 700 nanometers (nm).

Deeper tissues require wavelengths between 780 and 950 nm for better penetration.

While the device will be in contact with your skin, the procedure is completely painless and non-invasive. You will not feel any vibration, heat, or discomfort during the session. Each treatment typically lasts only a few minutes, and there are no significant side effects.

What Conditions Does Cold Laser Therapy Treat?

Cold laser therapy is used in various medical fields for its therapeutic benefits. The primary uses are for tissue repair and providing pain relief and inflammation reduction. Here are some common conditions treated by cold laser therapy:

1. Minor Injuries and Sprains

Cold laser therapy is often used in sports medicine and physical therapy to treat injuries like:

Ligament sprains

Muscle strains

Tendonitis

Bursitis

Tennis elbow

Neck pain

Lower back pain

Knee pain

Muscle spasms

It is also used to reduce swelling and aid the healing of joints and soft tissue.

The Easetak Semiconductor Neck Laser Treatment Instrument utilizes advanced low-level laser technology for effective physiotherapy. Its innovative Y-shaped design, featuring a laser beam screen that emits light in three directions, targets the carotid artery—one of the main arteries responsible for blood circulation to the heart and brain. This 3-in-1 treatment system includes a neck unit, as well as nasal and wrist treatment options, which significantly enhance treatment efficacy when needed.

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Neck Semiconductor Laser Treatment Instrument

2. Inflammation

Cold laser therapy is effective for reducing inflammation in various tissues. Dentists use it to treat inflamed tissues in the mouth, and doctors use it to treat chronic inflammation caused by conditions such as rheumatoid arthritis (RA) and other autoimmune diseases.

3. Aches and Pains

Cold laser therapy is frequently used in pain management clinics to treat both acute and chronic pain associated with conditions such as:

Fibromyalgia

Carpal tunnel syndrome

Chronic back pain

4. Skin Rejuvenation

Dermatologists use cold laser therapy to address a variety of skin issues, including:

Acne and acne scars

Psoriasis

Burns

Vitiligo

Edema (swelling of the skin)

Dermatitis and rashes

It helps in skin rejuvenation by promoting healing and improving the overall appearance of the skin.

5. Wound Healing

Cold laser therapy can also treat wounds that are slow to heal, including those caused by diabetes or other underlying health issues. The therapy promotes faster tissue regeneration and reduces recovery times.

6. Acupuncture

For individuals who are uncomfortable with needles, acupuncturists use cold laser therapy as an alternative. The low-level laser beams can stimulate acupoints, just like traditional acupuncture needles, without the need to pierce the skin.

Future Applications of Cold Laser Therapy

Research into cold laser therapy is ongoing, and its potential applications are vast. Scientists are studying its effectiveness in treating a variety of conditions, including:

Traumatic brain injury (TBI)

Spinal cord injuries

Alzheimer’s disease

Parkinson’s disease

As more research is conducted, it is likely that cold laser therapy will expand into new therapeutic areas.

Is Cold Laser Therapy Right for You?

Cold laser therapy is gaining popularity both in traditional medical practices and as a complementary treatment. It is FDA-approved for certain uses and is widely considered safe when performed by a qualified practitioner. One of the most attractive aspects of cold laser therapy is that it is non-invasive and painless. It does not require medication, and there are no significant side effects associated with it.

However, there are a few precautions to keep in mind. Cold laser therapy should not be used on carcinomas (cancerous lesions), and it should be avoided around the thyroid and eyes, particularly for home use. Additionally, due to the unknown effects on unborn children, pregnant women are advised to avoid this therapy.

Potential Drawbacks

While cold laser therapy offers numerous benefits, it does have some limitations. One of the primary drawbacks is that it may take several sessions to see noticeable results. While each treatment is brief (usually lasting just a few minutes), it may take weeks or even months to fully gauge its effectiveness, depending on the condition being treated. In some cases, up to four sessions per week might be necessary.

Additionally, cold laser therapy may not be covered by insurance, which can make it an out-of-pocket expense for patients.

Conclusion

Cold laser therapy is an innovative and versatile treatment option for a wide range of conditions, including injuries, inflammation, pain management, and skin rejuvenation. Its non-invasive nature, coupled with its proven ability to promote tissue repair and reduce pain, makes it a valuable tool in both medical and wellness practices. Whether you're dealing with chronic pain, recovering from an injury, or looking to improve skin health, cold laser therapy could be the solution you need. Always consult with a healthcare professional to determine if it's the right treatment for your specific condition.

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