Dog Tail Injury With Exposed Bone: How Red Light Therapy Supported Healing and Helped Avoid Tail Amputation

Written by Cathy Symons, CVT, CCRP, CHPT · Patient: Phinney, 5-yr Dalmatian

Summary

Phinney, a five-year-old male Dalmatian who has had his neuter operation, had his tail accidentally caught in a door on January 30, 2026. Three stitches were put in by an emergency clinic, and the injury was treated using bandages and mupirocin ointment. On February 3, the wound was healing properly, but Phinney then injured his tail himself. By February 18, the bone had become exposed, the circulation to the tip of the tail was in doubt, and his veterinarian suggested that a partial amputation of the tail should be carried out.

MedcoVet Luma red light therapy was added on February 23 (twice daily, 30 seconds per spot), alongside antibiotics, pain medication, bandaging, and a clinical laser session on February 24. Amputation stayed on the table for another two weeks. By March 8, circulation and tenderness were improving, and the wound was healing by second intention. Manuka honey wraps and an Assisi Loop were added on March 12. On March 20, amputation was no longer necessary, and by April 27 the tail was completely healed. Because Phinney received several treatments at the same time, this case cannot attribute the outcome to any single one of them.

Amputations: tail saved

25 days

From starting Luma to amputation no longer needed

~9 wks

From starting Luma to complete healing

Clinical photos, Jan 30–Apr 27

Disclosure

MedcoVet Luma is a red light therapy device made by MedcoVet. The author works with MedcoVet; this case comes from her private practice, outside of MedcoVet. In this case, Luma was one part of a larger wound-care plan that also included bandaging, antibiotics, pain medication, clinical laser, Manuka honey, and an Assisi Loop.

Veterinary Note

This case study is intended for educational use and should not be regarded as a replacement for professional veterinary advice, diagnosis, or treatment. In instances where there is exposed bone, significant bleeding, swelling, or a change in color of the tail, veterinary attention should be sought immediately.

Case Snapshot

Patient	Phinney, 5-year-old neutered male Dalmatian
Condition	Traumatic tail wound complicated by self-trauma, bone exposure, and questionable circulation to the tail tip
Prior treatment	Emergency care (three stitches), wraps with mupirocin ointment
Risk at referral	Partial tail amputation recommended (February 18)
Interventions	Wound clipping, cleaning, and bandaging; antibiotics; pain medication; MedcoVet Luma; clinical laser; Manuka honey wraps; Assisi Loop
Protocol length	MedcoVet Luma from February 23 until healing
Outcome	Amputation avoided (March 20); completely healed (April 27, 2026)
Owner	Veterinary technician
Author	Cathy Symons, CVT, CCRP, CHPT

Baseline vs. Outcome

After MedcoVet Luma was started, Phinney’s tail changed from requiring a partial amputation to being completely healed within about nine weeks. When Luma treatment began, the wound had exposed bone, doubtful circulation to the tip of the tail, and there was still ongoing inflammation and tenderness as a result of self-trauma.

Before vs. After: Phinney’s Tail Wound

Baseline (Feb 18) compared to outcome (Apr 27)

Before

Baseline — February 18

Self-trauma to a healing tail wound
Bone exposure at the wound site
Questionable circulation to the tail tip
Inflamed, tender tail
Partial tail amputation recommended
Goal: preserve the tail and heal the wound without amputation

After

Outcome — April 27

Circulation improved (documented March 8)
No further bone exposure (documented March 12)
Good skin coverage over the wound (documented March 18)
Amputation no longer necessary (March 20)
Tail completely healed (April 27)

The outcome cannot be attributed to any one treatment since the patient was given antibiotics, pain relief, bandaging, clinical laser treatment, Manuka honey, and an Assisi Loop together with MedcoVet Luma. The assessment and serial photography were based on one patient and not part of a controlled study.

Why Are Wounds to a Dog’s Tail So Difficult to Heal?

Tail wounds in dogs are difficult because the tail tip has little soft tissue over the bone and is almost always moving. A wound can reopen every time the dog wags, which is why tail ulcers from wagging often will not heal until the wagging trauma is controlled (VCA Animal Hospitals).

Little tissue over the bone

The skin at the tip of the tail is situated near the vertebrae and has very little cushioning. If a crush injury causes damage to the tail, it may be necessary to have part of it amputated, and any swelling or a change in the color of the tissue should be a reason to visit a veterinarian (VCA Animal Hospitals).

Constant motion and re-injury

Active dogs habitually beat their tails against walls, furniture, and crates. The repeated injury, which is frequently referred to as “happy tail,” can result in bleeding ulcers that keep recurring (VCA Animal Hospitals). Gradually, it may lead to the formation of scar tissue and more delicate skin, increasing the chance of a wound that fails to heal (Risselada, Clinician’s Brief, 2022).

Self-trauma

It is possible for dogs to lick or chew at a wound that is healing or at the bandage covering it, and in such cases an Elizabethan collar or a bitter spray is generally used as a remedy (VCA Animal Hospitals). Self-inflicted trauma can reverse the early stages of healing, as happened in Phinney’s case from February 3 to February 16.

Phinney’s presentation

Phinney had all three of the problems at the same time, namely, an acute crush injury caused by a door, self-trauma following the initial healing, and then exposure of the bone with doubtful circulation to the tip of the tail. In cases like this, partial amputation of the tail is commonly advised.

What is second-intention healing? A wound that heals by second intention is left open instead of being sutured shut. It is used when a wound cannot or should not be closed, such as when skin has been lost or the wound is too contaminated to close (Merck Veterinary Manual). Granulation tissue fills the wound, the edges contract, and new skin grows across. From March 8, Phinney’s wound was documented as healing this way.

When is partial tail amputation recommended? Common reasons include traumatic injuries, repeated self-trauma, and wounds that won’t heal or keep recurring despite conservative care (Risselada, Clinician’s Brief, 2022). Crushed tail bones can also mean part of the tail has to be removed (VCA Animal Hospitals). On February 18, Phinney had a self-traumatized wound with exposed bone and questionable circulation.

The Challenge

By February 18th, the wound in Phinney’s tail was in real danger of being partially amputated. What originally had been a wound stitched up and which was healing properly had now become an open wound with complications:

Self-trauma to the healing wound
Bone exposure
Questionable circulation to the tail tip
Inflammation and tenderness
Exudate and concern for infection (February 27)

The goal was plain: save the tail if the tissue could recover, while keeping amputation available if it could not.

Initial Treatment: Emergency Care and Wound Management

On January 30, 2026, Phinney’s tail got caught in a door, and he was taken to an emergency veterinary clinic, at which three stitches were placed. The tail was then treated with wraps and mupirocin ointment, a topical antibiotic.

This initially proved successful. On February 3, the recovery of the tail was noted as being good. However, by February 16, Phinney had inflicted self-harm on the area. On February 18, his veterinarian discovered bone exposure and poor circulation at the tip of the tail and suggested that a partial tail amputation should be considered. The area was then clipped, cleaned, and bandaged, and Phinney was given antibiotics and pain relief.

Why Avoiding Amputation Mattered

Partial amputation of the tail is a well-established surgical procedure for cases of tail wounds that fail to heal (Risselada, Clinician’s Brief, 2022). It still involves the use of anesthesia, surgery, and the need for a new incision to heal, and it results in the permanent loss of part of the tail. If there is a good chance that the tissue can recover, many owners and clinicians choose to give it time while keeping a close watch on the situation.

Phinney’s owner wanted to avoid amputation because the tail is an important and functional part of the dog’s body. They hoped to keep as much of it as possible if healing could happen without surgery. They were also worried about putting Phinney through anesthesia and another surgery, which would mean a new incision and permanent loss of part of the tail. Since there was a chance the tissue could recover with careful monitoring, wound care, and red light therapy, the owner chose a conservative approach.

Why Red Light Therapy Was Added

Phinney’s owner is a veterinary technician and knows about the benefits of red light therapy for wound healing. MedcoVet Luma was added on February 23 to support the wound care already underway. It is non-invasive, does not touch the wound, and each session takes only a few seconds. This made it easy to use twice a day at home without extra clinic visits.

Luma was recommended because Phinney’s wound needed ongoing care and monitoring, and the goal was to help healing without another invasive procedure or more trauma to the tail. Since Luma is non-invasive and does not touch the wound, it was a good fit for a wound already being managed carefully. The short treatment time and ability to use it twice daily at home made it easy to add to the existing care plan without extra clinic visits or disturbing the healing tissue.

How Red Light Therapy Works

Red and near-infrared light therapy, also called photobiomodulation (PBM) or low-level laser therapy, applies specific wavelengths of light that are absorbed by cytochrome c oxidase, an enzyme in the mitochondria of cells (Karu, 2008). That absorption increases ATP (cellular energy) and nitric oxide, and PBM can reduce oxidative stress and inflammation (Hamblin, 2017). Those effects are why PBM is used as an adjunct in wound care.

The MedcoVet Luma delivers light at wavelengths of 635 nm and 850 nm, with a total average power output of 1010 mW (MedcoVet, About Luma).

Treatment Protocol: A Multimodal Wound Plan

Phinney’s care was built in layers. Conventional wound management came first, and MedcoVet Luma and clinical laser were added when amputation was on the table. Manuka honey and an Assisi Loop were added once the wound was closing. Manuka honey dressings have been studied on acute wounds in dogs (Repellin et al., 2021), and the Assisi Loop delivers targeted pulsed electromagnetic field therapy, which improved surgical wound scores in one controlled canine trial (Alvarez et al., 2019).

Protocol Detail

Treatment area	Tail wound and affected tail tip
MedcoVet Luma start	February 23, 2026
Luma session time	30 seconds per spot
Luma frequency	Twice daily
Clinical laser	One session, February 24
Concurrent care	Wound clipping, cleaning, and bandaging; antibiotics; pain medication (from February 18)
Added March 12	Manuka honey wraps, changed every 48 hours by the veterinarian (approximately March 12–20); Assisi Loop three times daily, March 12–April 27
Bandaging	Supervised unbandaged periods allowed from March 8
Protocol end	April 27, 2026 (completely healed)

How the Plan Changed Over Time

Date	Treatment Change	Reason / Clinical Status
Jan 30	Three stitches; wraps with mupirocin ointment	Acute tail trauma, emergency care
Feb 18	Clipped, cleaned, bandaged; antibiotics and pain medication started	Self-trauma, bone exposure, questionable circulation; partial amputation suggested
Feb 23	MedcoVet Luma added, twice daily, 30 seconds per spot	Adjunct to support tissue viability and healing
Feb 24	Clinical laser treatment	In-clinic photobiomodulation
Feb 27	Antibiotics continued	Exudate and concern for infection
Mar 8	Supervised unbandaged periods allowed	Improved circulation, less tenderness, second-intention healing
Mar 12	Manuka honey wraps (changed every 48 hours) and Assisi Loop (three times daily) added	Wound closing, no bone exposure
Mar 20	Amputation no longer necessary	Tail saved
Apr 27	Treatment discontinued	Completely healed

Case Timeline & Photo Documentation

Twelve clinical photos document Phinney’s tail from the day of injury through complete healing, alongside the case’s key clinical events.

JAN 30 — Tail injured; emergency care

Phinney’s tail was accidentally caught in a door, and at an emergency clinic, three stitches were placed; the tail was then treated with wraps and mupirocin ointment.

FEB 3 — Healing well

The tail was documented as healing well at this evaluation.

FEB 16 — Self-trauma noted

Phinney had self-traumatized the healing tail.

FEB 18 — Bone exposure; partial amputation recommended

Circulation to the tail tip was questionable, and bone was exposed. The area was clipped, cleaned, and bandaged, and we started antibiotics and pain medication.

FEB 23 — MedcoVet Luma begins

Twice daily, 30 seconds per spot.

FEB 24 — Clinical laser treatment

FEB 25 — Amputation still recommended

Circulation to the tail tip remained questionable.

FEB 27 — Exudate and concern for infection

The tail remained inflamed and tender. Antibiotics continued, and amputation was still being considered.

MAR 2 — Tail tip still at risk

The clinical team continued to monitor the wound and circulation.

MAR 8 — Turning point: circulation improving

The wound was healing by second intention, circulation was improving, and the tail was less tender to the touch. Phinney could spend supervised time unbandaged. His veterinarian was hopeful but not yet certain the tail could be saved.

MAR 12 — Wound closing; no bone exposure

Phinney was almost back to normal activity. Manuka honey wraps (changed every 48 hours) and an Assisi Loop (three times daily) were added.

MAR 18 — Good skin coverage

The tail was smaller in diameter, although some swelling remained.

MAR 20 — Tail saved

Amputation was no longer necessary.

APR 27 — Completely healed

Outcome

Phinney kept his tail. On March 20, 25 days after MedcoVet Luma was added, amputation was no longer necessary, and on April 27, 2026, the tail was documented as completely healed.

The change was slow. Two weeks after Luma had begun, the tail tip was still in danger: amputation was advised on February 25, infection was a concern on February 27, and the loss of the tail tip was still possible on March 2. The point at which things began to turn around was on March 8, since circulation and tenderness were improving and the wound was healing by second intention. Further progress was made by the time the wound had closed on March 12 and by the time there was good skin coverage on March 18.

Since Phinney was given antibiotics, pain relief, bandaging, clinical laser treatment, Manuka honey, and an Assisi Loop together with MedcoVet Luma, this case is unable to assess the extent to which any one of the treatments made a contribution.

Case Status at Last Follow-Up

Last documented follow-up	April 27, 2026
Clinical status	Completely healed
Amputation	Not needed
Bone exposure	Resolved (none noted from March 12)
Activity	Almost back to normal by March 12; completely healed at the April 27 follow-up
MedcoVet Luma	Discontinued (April 27)

Looking Back

The hardest part of this case was deciding whether to give the tail more time to heal or to go ahead with amputation. Since the wound was being closely watched and there was still a good chance of recovery, I thought it was worth trying a conservative approach. A dog’s tail is not just for expression and communication; it also helps with balance and movement. That’s why keeping as much of Phinney’s tail as possible mattered to me, as long as it was safe.

Consistent wound care, close monitoring, and adding Luma as a non-invasive treatment helped us support healing without another surgery for Phinney. Watching the wound heal completely and saving the tail made the decision very rewarding. Red light therapy can be a good option to help wound healing and should be considered as part of a full treatment plan when it is safe and appropriate.

“The tail is not merely cosmetic. It is an integral part of a dog’s communication and plays an important role in balance and coordinated movement. Seeing Phinney’s wound completely healed and knowing we were able to preserve his tail was incredibly rewarding.”
— Cathy Symons, CVT, CCRP, CHPT

Clinical Takeaways From Phinney’s Case

A recommended amputation is not always the final outcome. Phinney’s tail had bone exposure and questionable circulation, yet with continued wound care and close monitoring, it healed completely.
Early healing can be undone by self-trauma. The tail was healing well on February 3 before self-trauma on February 16 turned a simple wound into a complicated one. Preventing licking and chewing matters from the start.
Improvement took time to show. Luma started on February 23, but amputation was still being discussed on March 2. Circulation and tenderness only clearly improved by March 8.
Red light therapy fit into a multimodal plan. Luma was used alongside wound cleaning and bandaging, antibiotics, pain management, clinical laser, Manuka honey, and an Assisi Loop, not in place of them.
Consistent home treatment made twice-daily sessions possible. Phinney’s owner, a veterinary technician, could deliver Luma at home twice a day without extra clinic visits.
Serial photos and dated notes made the course clear. Twelve photos over three months let the clinical team track circulation, closure, and skin coverage and time the decision on amputation.

Phinney’s case does not establish a standard red light therapy protocol for tail wounds in dogs. It documents one dog with an exposed-bone tail wound, questionable circulation, and a recommended amputation, whose tail was saved and fully healed with a multimodal plan that included MedcoVet Luma.

Concurrent Treatment and Case Limitations

Phinney’s outcome needs to be read in the context of everything else he received.

MedcoVet Luma began on February 23, five days after antibiotics, pain medication, and bandaging started. A clinical laser treatment followed on February 24. Manuka honey wraps and an Assisi Loop were added on March 12, after the wound had already started to improve. Because these treatments overlapped, this case cannot determine how much of the improvement came from any one of them.

Other limitations consist of:

This is a single patient case, not a controlled study.
Healing was assessed from clinician and owner observation plus serial photographs, not standardized wound measurements or perfusion testing.
It is not known whether Phinney’s tail would have healed with conventional wound care alone.
Controlled studies of low-level laser therapy in healthy dogs have not shown a measurable effect on small, acute wounds (Kurach et al., 2015; Gammel et al., 2018).
Response in other dogs may vary with wound location, depth, infection, circulation, self-trauma, and the other treatments used.

Any tail wound with heavy bleeding, swelling, or a change in tissue color needs prompt veterinary care (VCA Animal Hospitals). Red light therapy is an adjunct to veterinary wound management, not a replacement for it.

Frequently Asked Questions

Can a dog’s tail heal if the bone is exposed?

Sometimes. It depends on whether the tissue around the bone still has a blood supply and whether infection can be controlled. Phinney had exposed bone on February 18, and by March 12 no bone exposure was noted. A veterinarian needs to assess each case, because crushed bone or a wound that won’t heal may still need amputation (VCA Animal Hospitals).

How long does a dog tail wound take to heal?

It varies with the depth of the wound, circulation, infection, and whether the dog keeps reinjuring it. Phinney’s tail took about 12 weeks from the first injury to complete healing, including a setback from self-trauma. Wounds that keep getting hit by wagging may not heal until the trauma stops (VCA Animal Hospitals).

When does a dog need a partial tail amputation?

A vet might suggest a partial amputation of the tail in the case of a traumatic injury, if there has been repeated self-inflicted trauma, or when a wound fails to heal or keeps coming back even after conservative treatment (Risselada, Clinician’s Brief, 2022). Although it is a well-established procedure, it does require anesthesia and surgery.

Can red light therapy help a dog’s wound heal?

Red light therapy (photobiomodulation) is used as an adjunct in wound care because it increases cellular energy production and is able to reduce inflammation and oxidative stress (Hamblin, 2017). In dogs, two controlled studies found no measurable effect on small, acute wounds in healthy dogs (Kurach et al., 2015; Gammel et al., 2018), and complicated wounds have not been well studied. It is best used alongside, not instead of, standard wound management, as it was in Phinney’s case.

How do you stop a dog from reinjuring a tail wound?

Typical methods involve the use of a lightweight, self-adhesive bandage (one that is not tied on too tightly), an Elizabethan collar or a bitter spray to prevent the animal from chewing, and restricting access to small areas where the tail would hit against walls or furniture (VCA Animal Hospitals). The case of Phinney’s self-injury following early healing illustrates the importance of continued protection during recovery.

Is a dog tail injury an emergency?

Excessive bleeding, swelling, or a change in the color of the tail tissue are reasons to see a veterinarian right away (VCA Animal Hospitals). A tail that looks crushed or has exposed bone also needs prompt care.

Evidence Citations

Mitochondrial signaling in mammalian cells activated by red and near-IR radiation

By Karu TI

• 2008

• Journal: Photochemistry and Photobiology, 84(5):1091–1099

Abstract: Review examining how red and near-infrared radiation can activate mitochondrial signaling pathways, including cytochrome c oxidase-mediated effects on ATP, nitric oxide, reactive oxygen species and cellular signaling.

One Sentence Outcome: Supports cytochrome c oxidase and mitochondrial signaling as key mechanisms through which red and near-infrared photobiomodulation can alter cellular activity.

Study Parameters: Review of mitochondrial retrograde signaling and cytochrome c oxidase as a photoacceptor

Device Parameters: Visible red and near-infrared light; PBM range discussed approximately 600–1000 nm

Evidence Level: Mechanistic review

Study Type: Mechanistic review

Outcome Direction: Supportive mechanism
The effects of a proprietary Manuka honey and essential oil hydrogel on the healing of acute full-thickness wounds in dogs

By Repellin RL, Pitt KA, Lu M, Welker J, Noland EL, Stanley BJ

• 2021

• Journal: Veterinary Surgery, 50(8):1634–1643

Abstract: Prospective controlled randomized study of acute full-thickness wounds in 10 Beagles comparing a Manuka honey essential oil hydrogel with standard dressings. Treated wounds showed greater epithelialization at several later time points, while contraction, histologic scores and infection rates did not differ.

One Sentence Outcome: Honey-treated canine wounds epithelialized faster at several later time points, although the study did not support routine use for small acute wounds overall.

Study Parameters: 10 purpose-bred adult female Beagles; paired acute full-thickness surgical wounds

Device Parameters: Proprietary Manuka honey and essential oil hydrogel (HoneyCure) versus standard-of-care dressings

Evidence Level: Controlled canine experimental study

Study Type: Prospective randomized controlled canine wound study

Outcome Direction: Mixed
Effect of Targeted Pulsed Electromagnetic Field Therapy on Canine Postoperative Hemilaminectomy: A Double-Blind, Randomized, Placebo-Controlled Clinical Trial

By Alvarez LX, McCue J, Lam NK, Askin G, Fox PR

• 2019

• Journal: Journal of the American Animal Hospital Association, 55(2):83–91

Abstract: Prospective double-blind placebo-controlled trial evaluating targeted PEMF therapy after canine hemilaminectomy. Treated dogs had improved wound scores at six weeks and required fewer owner-administered pain medications during the first postoperative week.

One Sentence Outcome: In 53 dogs after hemilaminectomy, targeted PEMF improved six-week wound scores and reduced postoperative pain-medication use versus placebo.

Study Parameters: 53 client-owned dogs after hemilaminectomy for naturally occurring intervertebral disc extrusion

Device Parameters: Targeted pulsed electromagnetic field (tPEMF) therapy

Evidence Level: Controlled veterinary clinical trial

Study Type: Randomized double-blind placebo-controlled canine clinical trial

Outcome Direction: Positive
Therapeutic Tail Amputation

By Risselada M

• 2022

• Journal: Clinician’s Brief

Abstract: Peer-reviewed veterinary clinical guidance describing therapeutic tail amputation for neoplasia, external trauma, recurrent injury or self-trauma, including cases in which conservative management does not permit wound healing.

One Sentence Outcome: Tail amputation is a recognized option for canine traumatic, repeatedly self-traumatized, or nonhealing tail wounds when conservative management is unsuccessful.

Study Parameters: Clinical indications and technique for therapeutic canine tail amputation

Device Parameters:

Evidence Level: Expert veterinary guidance

Study Type: Peer-reviewed veterinary clinical reference

Outcome Direction: Clinical guidance
Initial Wound Management in Small Animals

By Winkler KP

• 2024

• Journal: Merck Veterinary Manual

Abstract: Veterinary reference covering stabilization, lavage, debridement, wound closure and open wound management, including second-intention healing when wounds cannot or should not be closed.

One Sentence Outcome: Merck describes second-intention healing as appropriate when a wound cannot or should not be closed, with repeated wound care and bandaging used as granulation and epithelialization progress.

Study Parameters: Clinical guidance for lavage, debridement, closure and open wound management

Device Parameters:

Evidence Level: Expert veterinary reference

Study Type: Veterinary clinical reference

Outcome Direction: Clinical guidance
First Aid for Tail Injuries in Dogs

By Weir M; Williams K; Buzhardt L

•

• Journal: VCA Animal Hospitals

Abstract: Veterinary educational reference describing canine tail abrasions, lacerations, fractures, nerve injuries and happy-tail wounds, including bandaging, preventing chewing and indications for urgent veterinary evaluation.

One Sentence Outcome: VCA notes that repeated wagging trauma, deep lacerations, fractures and self-trauma can produce difficult-to-heal tail wounds and may require veterinary treatment or, in severe cases, amputation.

Study Parameters: Clinical education on common canine tail injuries, bandaging, prevention of self-trauma and indications for veterinary care

Device Parameters:

Evidence Level: Professional veterinary guidance

Study Type: Veterinary clinical education article

Outcome Direction: Clinical guidance
Effects of low-level laser therapy on the healing of surgically closed incisions and surgically created open wounds in dogs.

By Gammel et al.

• 2018

• Journal: Vet Surg

Abstract: “LLLT did not appear to influence the healing of surgically created incisions and small wounds with the methodology reported here.”

One Sentence Outcome: “LLLT did not appear to influence the healing of surgically created incisions and small wounds with the methodology reported here.”

Study Parameters: Punch excision wound

Device Parameters: wavelength: 980; radiant exposure: 5; sessions: 5

Evidence Level: Controlled veterinary clinical study

Study Type: Dog

Outcome Direction: Null/negative
The Effect of Low-Level Laser Therapy on the Healing of Open Wounds in Dogs

By Kurach et al.

• 2015

• Journal: Vet Surg

Abstract: This controlled experimental wound study in 10 Beagles compared low-level laser therapy with standard care on paired acute full-thickness wounds and found no apparent healing benefit with the protocol tested.

One Sentence Outcome: In this protocol, LLLT did not significantly improve open-wound healing versus control.

Study Parameters: Self-controlled experimental study of secondary-intention open wounds in dogs comparing laser-treated and control wounds.

Device Parameters: 635 nm laser, 15 mW, radiant exposure 1.125 J/cm².

Evidence Level: Moderate

Study Type: Self-controlled veterinary wound study

Outcome Direction: Null/negative
Mechanisms and applications of the anti-inflammatory effects of photobiomodulation

By Hamblin MR

• 2017

• Journal: AIMS Biophysics

Abstract: This review describes how PBM can increase ATP, modulate ROS and nitric oxide, and reduce inflammatory signaling, supporting pain relief, healing, and anti-inflammatory effects across tissues.

One Sentence Outcome: This review supports anti-inflammatory mechanisms as a major explanation for PBM effects in pain and tissue-repair applications.

Study Parameters: Review of PBM anti-inflammatory mechanisms and applications across cell, animal, and clinical evidence.

Device Parameters: Red and near-infrared PBM parameters reviewed; emphasizes mitochondrial signaling, inflammatory mediators, and dose-dependent effects.

Evidence Level: Narrative review

Study Type: Review

Outcome Direction: Positive / supportive PBM outcome

Case study prepared by Cathy Symons, CVT, CCRP, CHPT, from her private practice. Published with pet parent consent.