14/10/2026
Therapeutic Laser Technology in Equine Practice: Applications, Benefits and Clinical Considerations
Why has therapeutic laser technology evolved?
Early therapeutic lasers did not always deliver consistent clinical results. Possible contributing factors included insufficient output power, inappropriate wavelength selection and inadequate energy delivery, measured in joules per square centimetre (J/cm²). As laser technology and our understanding of photobiomodulation have advanced, therapeutic laser applications have continued to develop, offering new possibilities for equine rehabilitation and sports medicine.
Therapeutic lasers are now used in some modern equine practices as part of a broader approach to managing pain, inflammation and tissue recovery. The effectiveness of any laser treatment depends on several factors, including wavelength, power, treatment technique, dosage and the condition being treated.
What does deep-tissue therapeutic laser treatment accomplish?
Photobiomodulation involves the interaction of specific wavelengths of light with biological tissues. This interaction can influence cellular and biochemical processes associated with pain modulation, inflammation, circulation and tissue repair.
When appropriately applied, therapeutic laser treatment may help relieve discomfort, moderate inflammatory responses and support local microcirculation. These effects can contribute to improved tissue function and recovery when laser therapy is incorporated into a suitable rehabilitation programme.
1. Supporting pain relief
Laser therapy may influence several biochemical and neurological pathways associated with pain perception. These include:
• Nitric oxide regulation: Influencing vascular function and cellular signalling.
• Beta-endorphin activity: Potentially contributing to the body's natural pain-modulating mechanisms.
• Bradykinin regulation: Influencing biochemical processes involved in pain and inflammation.
• Cellular ion-channel activity: Potentially affecting the electrical and biochemical functions of cells.
• Nerve signalling: Modulating processes involved in the transmission of pain signals.
• Serotonin activity: Influencing pathways involved in pain modulation and other physiological functions.
• Acetylcholine signalling: Potentially influencing neurological and cellular responses.
• Sensory nerve activity: Modulating the activity of certain pain-transmitting nerve fibres.
The overall response depends on the treatment parameters, the tissue involved and the individual horse's condition.
2. Supporting the management of inflammation
Inflammation is a normal part of the body's response to injury. However, excessive or persistent inflammation can interfere with recovery and tissue function.
Photobiomodulation may influence inflammatory processes through several mechanisms, including:
• Modulating the production and activity of inflammatory prostaglandins and other signalling molecules.
• Influencing cellular membrane function and the regulation of calcium, sodium and potassium ions.
• Supporting mitochondrial activity and adenosine triphosphate (ATP) production, which are involved in cellular energy metabolism.
• Influencing inflammatory mediators, including interleukin-1.
• Supporting cellular processes associated with tissue maintenance and repair.
The objective is to help regulate the inflammatory response rather than simply eliminate inflammation, which also plays an important role in normal healing.
3. Supporting microcirculation
Nitric oxide is involved in the regulation of blood vessel tone. Changes in nitric oxide signalling may contribute to vasodilation and alterations in local blood flow.
Improved microcirculation can support the delivery of oxygen and nutrients to tissues and assist the transport of metabolic waste products. Laser therapy may also influence the activity of immune cells involved in the body's response to injury.
These effects depend on the condition of the tissue and the laser parameters used, and increased circulation should not be assumed to occur in every treated area.
Four important applications in equine sports medicine
Photobiomodulation has several potential applications in the management and conditioning of equine athletes.
1. Supporting rehabilitation and recovery
Laser therapy may be incorporated into rehabilitation programmes for selected musculoskeletal injuries and other conditions affecting soundness and mobility.
2. Supporting athletic performance
For horses undertaking demanding training and competition schedules, laser therapy may form part of a broader programme designed to manage exercise-related soreness and support recovery between training sessions.
3. Injury-risk management
Appropriate conditioning, workload management and early identification of tissue problems are essential for injury prevention.
4. Complementing regenerative medicine
Laser therapy may be incorporated into treatment plans involving platelet-rich plasma (PRP) or stem-cell-based procedures when considered appropriate by the treating veterinarian. The timing and suitability of treatment should be determined for the individual case.
Common equine conditions for which laser therapy may be considered
Laser therapy is used or investigated as an adjunctive treatment for a range of equine musculoskeletal and soft-tissue conditions, including:
• Tendon and suspensory ligament injuries: Including selected cases of tendinopathy, tears and desmitis.
• Synovitis and tenosynovitis: Inflammation involving synovial structures and tendon sheaths.
• Osteoarthritis: As a possible component of a broader pain-management programme.
• Back and muscular disorders: Including selected cases involving muscle soreness, stiffness and soft-tissue discomfort.
• Wound management: As an adjunct to appropriate wound cleaning, protection and veterinary care.
Treatment protocols must be tailored to the diagnosis, injury severity, anatomical location and stage of recovery. Laser therapy should not replace appropriate veterinary assessment, diagnostic imaging, controlled rehabilitation or other indicated treatments.
Supporting the equine athlete through training and competition
Maintaining athletic performance requires careful management of workload, recovery, nutrition, hoof care and musculoskeletal health.
Training places repeated demands on muscles, tendons, ligaments and joints. Depending on the workload and individual horse, these demands can contribute to soreness, fatigue and tissue stress.
Therapeutic laser treatment may be included in a structured recovery programme where appropriate. The aim is to support tissue recovery and comfort while allowing the horse to progress through training at a suitable rate.
Laser therapy should not be used to mask pain or return a horse to competition before an injury has adequately recovered. Veterinary guidance is particularly important for racehorses and other high-performance athletes.
Can laser therapy help reduce the risk of injury?
Injury prevention is an important consideration in equine sports medicine. However, the ability of laser therapy to prevent a future injury has not been established for all conditions.
For example, a horse with a history of suspensory ligament problems may benefit from a comprehensive management programme that considers workload, footing, conformation, rehabilitation and veterinary monitoring.
Laser therapy may be considered as one component of that programme, but it should not be presented as a proven method of preventing suspensory injuries.
The most effective approach is to identify risk factors early and address them through appropriate conditioning, monitoring and evidence-informed veterinary care.
How frequently should laser therapy be applied?
The ideal treatment schedule varies according to the condition, its severity, the stage of healing and the laser system being used. Some treatment protocols employ more frequent applications during the initial phase, followed by less frequent sessions as the condition improves.
A practical treatment programme can be divided into three phases.
Phase 1: Initial treatment
During the early stages, treatment frequency may be higher, particularly when managing selected acute injuries or wounds. Depending on the clinical circumstances and device protocol, sessions may be scheduled daily or on alternate days.
Phase 2: Progression and rehabilitation
As the horse improves, treatment frequency may be reduced to once or twice weekly, depending on the response and the overall rehabilitation plan.
Phase 3: Ongoing management
For selected chronic conditions or horses undergoing demanding training schedules, occasional maintenance treatments may be considered where there is a clear clinical rationale.
These phases are a general framework rather than a universal prescription. More frequent or higher-dose treatment is not necessarily more effective. The recommended energy dose, treatment interval and application technique should follow the device manufacturer's instructions and the treating veterinarian's assessment.
Progress should be evaluated regularly, with treatment adjusted or discontinued when appropriate.
Making therapeutic laser technology a worthwhile investment
For equine veterinary practices and rehabilitation providers, introducing therapeutic laser technology involves considering both clinical usefulness and business viability.
A laser system may offer opportunities to expand the range of services provided to clients, particularly where there is demand for non-invasive adjunctive treatments for selected musculoskeletal conditions.
Conclusion
Therapeutic laser technology has become an area of interest in equine rehabilitation and sports medicine. Photobiomodulation may influence cellular activity, pain signalling, inflammatory processes and tissue recovery, making it a potential adjunct to conventional veterinary treatment.
Its value depends on selecting suitable cases, using appropriate treatment parameters and monitoring the horse's response. When incorporated into a comprehensive veterinary and rehabilitation programme, laser therapy may help support comfort, recovery and the ongoing management of selected equine conditions.
The goal is not simply to apply more energy or use a more powerful laser, but to deliver an appropriate treatment for the individual horse, guided by sound clinical judgement and the available scientific evidence.
