04/08/2026
The Complete Guide to Equine Laser Therapy: How Photobiomodulation Supports Horse Health and Recovery
Learn how equine laser therapy works, the science behind photobiomodulation, common applications, safety, and how laser therapy may support recovery in horses.
The Complete Guide to Equine Laser Therapy
Equine athletes place extraordinary demands on their bodies. Whether competing in racing, dressage, showjumping, eventing, endurance, polo or simply enjoying recreational riding, horses rely on healthy muscles, tendons, ligaments, joints and connective tissues to perform comfortably and efficiently.
With these demands comes an increased risk of soft tissue injuries, muscle fatigue, joint stiffness and the need for effective rehabilitation. As veterinary medicine has advanced, horse owners have gained access to a growing range of treatment options designed to complement traditional care. One of the most widely adopted of these is equine laser therapy, also known as photobiomodulation (PBM).
Today, therapeutic laser systems are used by veterinarians, equine physiotherapists, rehabilitation practitioners and professional trainers worldwide. Their popularity stems from their non-invasive nature, ease of use and their role in supporting normal biological processes involved in tissue repair and recovery.
This guide explains what equine laser therapy is, how it works, where it may be used, what the research suggests and what horse owners should know before incorporating laser therapy into a rehabilitation or performance management program.
What Is Equine Laser Therapy?
Equine laser therapy is the use of carefully controlled light energy to stimulate natural biological activity within tissues. Unlike surgical lasers, which generate enough energy to cut or cauterize tissue, therapeutic lasers deliver light at levels intended to interact with cells without causing tissue damage.
This process is known as photobiomodulation, meaning that light influences biological processes within cells.
When therapeutic laser light reaches tissue, specific wavelengths can be absorbed by molecules inside cells. This interaction may support normal cellular energy production and contribute to healthy tissue repair, circulation and recovery.
Because the treatment does not involve needles, medications or surgery, it is considered a non-invasive therapy.
The Science Behind Photobiomodulation
Every cell in a horse's body depends on energy to perform its normal functions. This energy is produced within tiny structures called mitochondria, which generate adenosine triphosphate (ATP)—the primary energy source used by cells.
Photobiomodulation research suggests that certain wavelengths of light can interact with molecules involved in cellular energy production. Increased ATP availability may help cells perform their normal functions more efficiently during tissue maintenance and repair.
Researchers have also explored how laser therapy may influence:
* Cellular metabolism
* Local microcirculation
* Oxygen utilisation
* Collagen production
* Muscle recovery
* Normal inflammatory responses
* Lymphatic activity
* Connective tissue remodelling
The effects observed depend on factors such as wavelength, power output, treatment parameters, tissue depth and the condition being treated. Laser therapy is therefore best viewed as a tool that supports the body's own healing processes rather than replacing them.
Why Laser Therapy Has Become Popular
Interest in equine laser therapy has grown steadily over the past two decades because it offers several practical advantages.
Non-invasive
Treatment does not involve injections, incisions or surgery.
Drug-free
Laser therapy can be incorporated into rehabilitation plans without relying on medication.
Comfortable
Most horses tolerate treatment well and many appear relaxed during sessions.
Quick
Many treatment sessions take only a few minutes, depending on the area and protocol.
Portable
Modern systems can be used in veterinary clinics, rehabilitation centres, racing stables and on-farm.
Versatile
Laser therapy may be incorporated into rehabilitation programs for a wide range of musculoskeletal and soft tissue conditions under veterinary guidance.
Conditions Where Laser Therapy May Be Used
Laser therapy is commonly used as part of comprehensive rehabilitation programs for a variety of conditions.
These include:
Tendon Injuries
Tendon injuries, particularly involving the superficial digital flexor tendon, are common in performance horses. Rehabilitation often requires months of controlled exercise, veterinary monitoring and supportive therapies. Laser therapy may be incorporated into these programs to support normal tissue repair.
Suspensory Ligament Injuries
The suspensory ligament plays a critical role in supporting the limb during movement. Injuries can significantly affect performance and often require prolonged rehabilitation. Photobiomodulation may be included as one component of a structured recovery plan.
Muscle Strains and Fatigue
After intense work, muscles experience microscopic stress and fatigue. Laser therapy is frequently used following training or competition as part of a broader recovery strategy.
Joint Stiffness
Hocks, fetlocks, stifles, knees and coffin joints are all subjected to repetitive loading. Practitioners may use laser therapy alongside veterinary care and exercise management to support joint health.
Back and Neck Soreness
Poor saddle fit, demanding training schedules and compensatory movement patterns can contribute to discomfort in the back and neck. Laser therapy is often directed at affected muscle groups as part of a multimodal treatment plan.
Wounds and Surgical Incisions
Veterinarians may include photobiomodulation in wound management or post-operative rehabilitation programs where appropriate.
Performance Horses and Recovery
Elite equine athletes are comparable to human athletes in the demands placed on their musculoskeletal systems. Galloping, jumping, collection, rapid acceleration and repetitive training all create mechanical stress on muscles, tendons, ligaments and fascia.
Recovery is therefore an essential part of training.
The goal is to support recovery while helping maintain performance and reduce the impact of cumulative training loads.
Understanding Laser Wavelengths
One of the most important characteristics of any therapeutic laser is its wavelength, measured in nanometres (nm).
A common wavelength used in veterinary photobiomodulation is 904nm for its deep pe*******on and healing abilities.
Different wavelengths interact with tissue differently and vary in pe*******on characteristics.
Other important factors include power output, beam profile, pulse characteristics and treatment protocol. Effective therapy depends on the combination of these parameters rather than wavelength alone.
What Happens During a Laser Therapy Session?
A typical treatment is straightforward and generally well tolerated.
The practitioner begins by assessing the horse and identifying the area to be treated. Protective eyewear suitable for the device is worn by the operator and anyone nearby.
The laser applicator is then placed over or just above the treatment area while light energy is delivered according to a predetermined protocol.
Treatment duration varies depending on:
* Size of the treatment area
* Tissue depth
* Clinical objective
* Device settings
* Stage of healing
Sessions may last from a few minutes to around twenty minutes.
Many horses remain calm throughout treatment, and some show signs of relaxation.
Is Laser Therapy Safe?
When operated by trained users according to manufacturer instructions and established safety procedures, therapeutic lasers have a strong safety profile
Operators should always follow appropriate safety precautions, particularly regarding eye protection and the avoidance of contraindicated areas.
Laser therapy may be incorporated into management plans for older horses where appropriate, particularly when maintaining comfort and mobility is a goal. Suitability should be determined by the treating professional.
Is laser therapy only for injured horses?
Not necessarily. Some practitioners incorporate laser therapy into performance management programs before or after exercise, while others use it during rehabilitation following injury or surgery.
Choosing an Equine Laser
If you are considering purchasing a therapeutic laser for professional or stable use, look for a system that offers:
* Evidence-informed technology
* Appropriate wavelength(s) for the intended application
* Reliable power output
* Clear treatment protocols
* Comprehensive training and support
* Robust safety features
* Warranty and after-sales service
* Portability and ease of use
The quality of the device, the operator's training and adherence to appropriate treatment protocols all influence outcomes.
The Future of Equine Rehabilitation
Photobiomodulation has become an important part of modern equine rehabilitation because it can be integrated with veterinary medicine, physiotherapy, exercise programs and other supportive treatments.
As research continues to evolve, therapeutic laser systems are likely to remain a valuable option for horse owners and professionals seeking non-invasive ways to support normal healing, recovery and performance.
Whether used following injury, surgery or strenuous exercise, laser therapy represents one of several tools available to help maintain equine health as part of a comprehensive, evidence-informed care plan.
Conclusion
Equine laser therapy is more than a modern trend—it is an established modality that is increasingly incorporated into veterinary and rehabilitation practices around the world. By delivering carefully controlled light energy to tissues, photobiomodulation aims to support the body's natural healing processes, making it a useful adjunct to conventional care.
For horse owners, trainers and therapists, understanding how laser therapy works—and where it fits within a broader rehabilitation strategy—can help in making informed decisions about equine health. While no single treatment is appropriate for every condition, laser therapy's non-invasive nature, ease of application and growing evidence base make it an important consideration for supporting recovery, comfort and long-term performance.
