Dog CCL Surgery Recovery

What to expect after cranial cruciate ligament surgery, how to protect the knee joint, and how to help your dog heal well

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Lucy

Written by: Alon Landa
Medically reviewed by: Kristy Williams, CVT, CCFT (Specialties: Pet rehabilitation, pain management, photobiomodulation)

Reviewed: [May 2026]
Updated: [May 2026]

How long does dog CCL surgery recovery take?

Dog CCL surgery recovery usually takes 3 to 4 months before most dogs return to normal activity levels. Full recovery, including full strength and mobility, can take longer depending on your dog’s age, size, health, surgery type, and consistency with post operative care. The first two weeks are critical because they set the tone for long term healing, pain control, incision healing, and proper use of the affected leg.

If your dog recently had CCL surgery and you want to know whether red light therapy may help their recovery, start here:

If your dog recently had CCL surgery and you want to know whether red light therapy may help their recovery, start here:

Book a free consult with a clinician

Understanding CCL surgery in dogs

The cranial cruciate ligament, or CCL, helps stabilize the dog’s knee joint. In people, this ligament is called the anterior cruciate ligament, or ACL. That is why pet owners often search for dog ACL surgery, torn ACL, ACL tear, or anterior cruciate ligament ACL when their dog actually has a cranial cruciate ligament injury.

Same basic idea. Different species. Different name.

When a dog tears the cranial cruciate ligament, the knee joint becomes unstable. The thigh bone (femur) can shift against the shin bone (tibia), causing pain, swelling, inflammation, and difficulty using the affected leg. Many dogs limp, avoid putting weight on the leg, or suddenly refuse normal activity.

A torn CCL often needs surgery to restore stability, reduce pain, and help the dog return to normal activity levels. CCL surgery has an estimated success rate of 85 to 90 percent when paired with proper post operative care, careful management, and rehabilitation.

Common types of dog CCL surgery

Common types of dog CCL surgery

Your veterinary surgeon will recommend the surgical procedure based on your dog’s size, age, activity level, knee stability, and overall joint health.

Common types of dog ACL surgery and dog CCL surgery include:

  • Tibial Plateau Leveling Osteotomy, or TPLO surgery
  • Tibial Tuberosity Advancement, or TTA
  • Extracapsular repair
  • Lateral suture
  • Tightrope CCL repair

The TPLO procedure, or plateau leveling osteotomy TPLO, involves cutting the top of the tibia and rotating it so the femur no longer slides backward during movement. The TTA procedure involves cutting and advancing a portion of the tibia to change the forces in the knee joint. Both are designed to create a more stable knee after a cranial cruciate ligament injury.

Large breed dogs and active dogs often need a surgical option that gives stronger long term joint support. Smaller dogs may be candidates for other repairs. Your veterinary team will guide that decision.

The CCL surgery recovery timeline

Every dog’s recovery is different, but most dogs follow a general recovery timeline. The main goals are simple: protect the surgical site, control pain, prevent stiffness, rebuild muscle, and avoid re-injury.

Days 1 to 14: strict rest and incision protection

The first two weeks after CCL surgery matter a lot.

This phase is about rest. Your dog should stay confined in a crate, pen, or small room with non-slip flooring. Activity should be limited to short leash bathroom breaks only. No stairs. No jumping. No running. No rough play. No off leash movement. No play with other pets.

Dogs rest best when the home is set up for success. Create a designated recovery zone in a quiet corner of the living room, a carpeted bedroom, or another calm space where food and water are easy to reach without obstacles. Use non-slip rugs or yoga mats on hard floors to help prevent slips and falls.

Your dog will likely go home with pain medications. Give them exactly as scheduled. Pain management is crucial during early surgery recovery because pain can cause tension, poor sleep, guarding, and reluctance to bear weight.

Your dog should also wear an Elizabethan collar, or E-collar, to prevent licking or chewing at the incision site. I know, nobody loves the cone. Use it anyway. The incision needs protection.

Monitor the surgical site daily. Mild redness, swelling, and bruising can be normal. Increased swelling, excessive redness, heat, foul odor, bleeding, discharge, or incision opening can indicate infection or improper healing. Call your veterinarian quickly if you see these signs.

Let a clinician review your dog’s case


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Weeks 1 to 2: early rehab may begin

Rehabilitation exercises often begin within the first one or two weeks after surgery, but only with your veterinary team’s approval. The goal is to limit stiffness and maintain flexibility as healing progresses.

Passive Range of Motion, or PROM exercises, are often encouraged to prevent stiffness and maintain mobility. PROM involves gently moving the dog’s knee joint through a comfortable range while your dog stays relaxed.

Do not force it. Pain means stop.

Some dogs may also benefit from cold therapy during the first few days after surgery to help reduce swelling and discomfort. Always ask your veterinary surgeon before using cold therapy, especially near the incision site.

Weeks 3 to 4: gentle movement and early strength

By weeks 3 to 4, most dogs can begin gentle rehabilitation if healing is on track. This may include assisted standing, supported weight shifting, short leash walks, and very controlled movement to rebuild confidence in the affected leg.

After week 2, controlled leash walks may increase in duration by about 5 minutes each week, often starting around 5 to 7 minutes depending on your veterinary team’s instructions. Keep walks boring. Flat ground. Short leash. Slow pace.

This is also when muscle weakness becomes more obvious. Dogs lose muscle quickly during strict rest, especially in the thigh. Physical therapy helps retrain the nervous system and teaches the dog how to use the repaired limb again.

Professional physical therapy can significantly improve recovery outcomes. It helps restore range of motion, rebuild muscle, improve coordination, and support a faster return to normal activity.

Weeks 5 to 8: building strength without overdoing it

As healing progresses, the recovery process may include longer controlled walks, more structured physical therapy, and careful strength work.

Your veterinary team may recommend:

  • Passive range exercises
  • Sit to stand exercises
  • Weight shifting
  • Slow leash walking
  • Gentle balance work
  • Controlled step work if approved

This is also a key period for preventing re injury. Dogs often feel better before the surgical site is fully ready. That confidence can get them into trouble.

No running. No jumping. No rough play. No off leash activity.

Follow up X-rays around week 8 are common after procedures that involve bone healing, such as tibial plateau leveling osteotomy (TPLO) or tibial tuberosity advancement (TTA). These X-rays help confirm proper healing before activity increases.

Want to know whether red light therapy fits this stage of your dog’s recovery?

Take the quiz: Is red light therapy right for your dog?

Anderson

Weeks 8 to 12 and beyond: gradual return to activity

After 8 weeks of recovery, some dogs may start to transition toward fuller activity, but high impact activity like running and jumping should still wait until cleared by a veterinarian.

Most dogs take 3 to 4 months to return to normal activity levels after CCL surgery. Full strength and mobility may take longer, especially for large breed dogs, older dogs, active dogs, or dogs with excess weight.

A healthy weight is a major part of successful recovery. Because activity is restricted, your veterinary team may recommend reducing food intake by about 30 percent during recovery to prevent weight gain. Excess weight adds strain to the healing joint and can slow the dog’s recovery.

How red light therapy supports dog CCL surgery recovery

How red light therapy supports dog CCL surgery recovery

Photobiomodulation (PBM), also called red light therapy, low-level laser therapy, LED therapy, cold laser, and near-infrared therapy, refers to the same therapeutic category using light energy to influence cellular biology.

Red light therapy can support dog CCL surgery recovery by helping reduce pain, calm inflammation, and support cellular repair around the surgical site. It can also make physical therapy easier to tolerate because the dog may feel more comfortable using the affected leg.

Learn more about the science here: Science of Red Light Therapy.

Why Luma is so helpful after CCL surgery

Why Luma is so helpful after CCL surgery

The MedcoVet Luma gives pet owners a way to support their dog’s healing at home between follow up visits, physical therapy sessions, and veterinary check-ins.

That consistency matters.

Luma uses red and near infrared light to support tissue repair, reduce inflammation, improve local circulation, and help with pain management. It is non invasive, drug free, and designed for home use with clinician guidance.

CCL surgery recovery happens every day. Your dog needs strict rest, careful movement, wound monitoring, pain control, and gradual rehab. Luma fits into that plan by giving the healing tissues extra support during the recovery process.

It may help support:

  • Comfort around the surgical site
  • Reduced inflammation in the knee joint
  • Better tolerance for physical therapy
  • Cellular repair after surgery
  • Joint support during recovery
  • Long term joint health

Read more about surgical recovery support here: Red Light Therapy for Post-Surgical Healing in Pets.

For broader support, see Red Light Therapy for Dogs.

Want to know if Luma is a good fit for your dog’s CCL surgery recovery?

Anderson

When to call your veterinarian

Monitoring your dog’s recovery is crucial. Call your veterinary team or vet immediately if your dog shows:

  • Increased pain
  • Inability to bear weight
  • Sudden worsening limp
  • Increased swelling
  • Redness or heat at the incision site
  • Discharge from the incision site
  • Excessive bleeding
  • Bad odor from the surgical site
  • Fever, vomiting, or loss of appetite
  • Incision opening
  • A fall, slip, jump, or sudden setback

Post operative complications such as joint infection, excessive bleeding, or failure of the bone to heal properly can occur after CCL surgery and need immediate veterinary attention.

Trust the obvious. If your dog looks worse, call.

MedcoVet’s clinical view on CCL recovery

MedcoVet focuses on photobiomodulation protocols for dogs across surgery recovery, pain, arthritis, and joint health. Our clinical approach considers wavelength selection, tissue depth, timing, comfort, inflammation, and consistent use at home.

CCL surgery recovery is a strong fit for guided red light therapy because the dog needs pain management, controlled inflammation, tissue repair, and gradual return to movement.

A strong recovery plan includes veterinary oversight, restricted activity, pain medications, physical therapy, weight management, proper post operative care, and support for the healing joint.

Luma supports that plan.

Questions dog owners ask about CCL surgery recovery

In dogs, the ligament is called the cranial cruciate ligament. In humans, the similar ligament is called the anterior cruciate ligament. Many pet owners say dog ACL or dog acl surgery, but veterinary medicine usually uses CCL.

Many dogs begin to bear weight within the first few days to weeks, depending on the surgery type and pain level. Sudden refusal to bear weight needs a call to your veterinarian.

Rehabilitation often begins within the first one or two weeks after surgery, once your veterinary team approves it. PROM exercises, supported standing, and controlled movement help reduce stiffness and maintain flexibility.

Most dogs return to normal activity in 3 to 4 months. Full recovery, including strength, stamina, and mobility, may take longer.

Yes. Many dogs with a CCL injury can develop arthritis over time. Weight management, physical therapy, joint support, and long term joint health care can help reduce strain on the knee joint.

No. Give pain medications exactly as prescribed. Red light therapy can support pain management, but medication changes should come from your veterinarian.

Too much activity can delay healing, irritate the surgical site, increase pain, and raise the risk of re injury. Activity restrictions protect proper healing.

Large breed dogs may need more careful management because their size places more force on the knee joint and surgical repair. Healthy weight and controlled rehab are especially important.

Photobiomodulation is commonly used as adjunct therapy alongside medical management rather than a replacement for prescribed treatments.[1-3]

Research indicates photobiomodulation influences inflammatory signaling, cellular repair pathways, and microcirculation relevant to neural recovery.[2-4]

Use depends on surgical protocol, tissue status, and recovery stage and should follow veterinary guidance.[2,3]

Photobiomodulation should not be used in suspected malignancy without veterinary supervision, uncontrolled infection, or when dosing parameters are inappropriate.[2,5]

Clinical summary

Mechanism:
CCL surgery restores stability to the knee joint after cranial cruciate ligament injury. TPLO changes the tibial plateau angle to reduce abnormal movement between the thigh bone (femur) and shin bone (tibia). TTA advances part of the tibia to improve knee mechanics. Red light therapy supports cellular activity, circulation, inflammation control, and tissue repair during the recovery process.

Evidence level:
CCL surgery is well established in veterinary medicine, with commonly reported success rates around 85 to 90 percent. Physical therapy, activity restriction, pain management, and weight control are standard parts of recovery. Photobiomodulation has moderate support for pain reduction, inflammation control, and wound healing.

When it works best:
Red light therapy works best during early and mid-stage surgery recovery when pain, inflammation, tissue healing, and rehab tolerance are key concerns. It can be especially useful for dogs with stiffness, swelling, slow comfort gains, or difficulty using the affected leg.

When not to use:
Do not use red light therapy over an untreated infection, an open incision without veterinary approval, or a known malignant tumor unless directed by a veterinarian. Always follow your veterinary surgeon’s post operative care instructions.

Help your dog recover with less guesswork

Dog CCL surgery recovery takes patience. Your furry friend needs rest, protection, pain control, physical therapy, and steady support as healing progresses.

Want help with your dog’s recovery plan?

Lucy

Evidence Citations

  • Low-level laser therapy prevents degenerative morphological changes in an experimental model of anterior cruciate ligament transection in rats

    By Bublitz et al.

    • 2014

    • Journal: Lasers Med Sci

    Abstract: “Initial signs of tissue degradation were observed in CG. Interestingly, laser-treated animals presented a better tissue organization, especially at the fluence of 10 J/cm(2). Furthermore, laser phototherapy was able of modulating some of the aspects related to the degenerative process, such as the prevention of proteoglycans loss and the increase in cartilage area. However, LLLT was not able of modulating chondrocytes proliferation and the immunoexpression of markers related to inflammatory process (IL-1 and MMP-13). This study showed that 808 nm laser, at both fluences, prevented features related to the articular degenerative process in the knees of rats after ACLT.”

    One Sentence Outcome:In a rat ACL-transection model, PBM helped preserve tissue organization and cartilage-related structure, supporting a biological rationale for ligament-related recovery support.

    Study Parameters:Ligament transection; ; Biphasic dose response

    Device Parameters: wavelength: 808; fluence: 10 50; sessions: 15

    Evidence Level:Level 5 (preclinical animal study)

    Study Type: Rat

    Outcome Direction: Positive / dose-dependent preclinical signal

  • Comparison of light-emitting diode wavelength on activity and migration of rabbit ACL cells

    By Seo et al.

    • 2014

    • Journal: Lasers Med Sci

    Abstract: “This study revealed that irradiation with a wavelength of 460 nm (blue LED) is cytotoxic to ACL cells, but irradiation with nontoxic fluencies of 530 (green LED) and 630 nm (red LED) wavelengths induced cell growth in cultured ACL cells.”

    One Sentence Outcome:In rabbit ACL cells, LED wavelength influenced cell activity and migration, supporting wavelength-specific effects on ligament-cell behavior.

    Study Parameters:Rabbit ACL cells; ; Blue light ; Green light ; ; LED phototherapy

    Device Parameters: wavelength: 460 530 630; fluence: 27 9.8 9.5

    Evidence Level:Level 5 (in vitro ligament-cell study)

    Study Type: In vitro

    Outcome Direction: Positive / wavelength-dependent cellular effects

  • Low-level laser therapy improves early healing of medial collateral ligament injuries in rats

    By Bayat et al.

    • 2005

    • Journal: Photomed Laser Surg

    Abstract: “The ultimate tensile strength (UTS) of group 2 on day 12 was significantly higher than that of groups 1 and 3.” Comment: The dose of 0.01J/cm2 was ineffective, while 1.20J/cm2 was effective. Too small dose does often have no effect.

    One Sentence Outcome:In rats with medial collateral ligament injury, LLLT improved early ultimate tensile strength, supporting ligament-healing and tissue-strength claims.

    Study Parameters:Dose response

    Device Parameters: wavelength: 633; power: 10; fluence: 0.01 1.20; sessions: 21

    Evidence Level:Level 5 (preclinical animal study)

    Study Type: Rat

    Outcome Direction: Positive / early ligament strength

  • Comparison of single and multiple applications of GaAlAs laser on rat medial collateral ligament repair

    By Ng et al.

    • 2004

    • Journal: Lasers Surg Med

    Abstract: “Multiple laser therapy improves the normalized strength and stiffness of repairing rat MCLs at 3 weeks after injury. The multiple treatments seem to be superior to a single treatment when the cumulative dosages are comparable between the two modes of application.”

    One Sentence Outcome:In rat MCL repair, multiple GaAlAs laser applications improved normalized strength and stiffness more than a single treatment, supporting treatment-frequency relevance.

    Study Parameters:Single vs multiple treatments (dose response)

    Device Parameters: wavelength: 660; power: 2016-08-08 00:00:00; fluence: 31.6; sessions: 1 9

    Evidence Level:Level 5 (preclinical animal study)

    Study Type: Rat

    Outcome Direction: Positive / multiple treatments superior

  • Effects of a therapeutic laser on the ultrastructural morphology of repairing medial collateral ligament in a rat model

    By Fung et al.

    • 2003

    • Journal: Lasers Surg Med

    Abstract: “Single application of low energy laser therapy increases the collagen fibril size of healing MCLs in rats.”

    One Sentence Outcome:In a rat MCL model, low-energy laser increased collagen fibril size during ligament repair, supporting collagen/tissue-repair claims.

    Study Parameters:

    Device Parameters:

    Evidence Level:Level 5 (preclinical animal study)

    Study Type: Rat

    Outcome Direction: Positive / collagen fibril effect

  • Does LLLT improve radiographic healing for dogs with cranial cruciate ligament rupture undergoing TPLO surgery?

    By Moore L

    • 2025

    • Journal: Vet Evid

    Abstract:

    One Sentence Outcome:

    Study Parameters:

    Device Parameters: Wavelength: “From the available data, LLLT treatment has not been shown to improve radiographic bone healing in dogs who underwent TPLO surgery. Ultimately, this requires further research as there is a possibility that LLLT shows promise in other areas such as reducing the incidence of surgical site infections, which is highlighted by Chavez et al. (2024). There is no significant difference in radiographic bone healing in the studies outlined in this Knowledge Summary. Considering the weak evidence presented in these studies, patient factors such as age, breed, history, and more must be taken into consideration in the decision making of using LLLT on a case by case basis.”

    Evidence Level:Systematic review / Meta-analysis

    Study Type: Systematic review / “Knowledge summary”

    Outcome Direction: Unclear / review

  • Laser Therapy for Incision Healing in 9 Dogs

    By Wardlaw et al.

    • 2019

    • Journal: Front Vet Sci

    Abstract: This randomized canine study evaluated daily postoperative laser therapy after thoracolumbar hemilaminectomy in Dachshunds and found faster incision healing and better cosmetic outcomes than untreated controls.

    One Sentence Outcome:Daily postoperative laser therapy was associated with faster and more cosmetic incision healing in a small canine surgical-incision study.

    Study Parameters:Nine dogs after thoracolumbar hemilaminectomy were followed for incision healing and cosmetic outcome.

    Device Parameters: Postoperative laser therapy protocol used for thoracolumbar hemilaminectomy incision healing; exact dosimetry should be verified from full text.

    Evidence Level:Level 2b/4 (small veterinary randomized clinical study)

    Study Type: Randomized controlled veterinary clinical study

    Outcome Direction: Positive / supportive PBM outcome

  • Assessment of wound area reduction on chronic wounds in dogs with photobiomodulation therapy: A randomized controlled clinical trial

    By Hoisang et al.

    • 2021

    • Journal: Veterinary World

    Abstract: The reviewed abstract reports 21 dogs with chronic wounds randomized to control, 830 nm PBMT, or simultaneous multiwavelength PBMT, with significantly greater wound area reduction in PBMT groups.The reviewed abstract reports 21 dogs with chronic wounds randomized to control, 830 nm PBMT, or simultaneous multiwavelength PBMT, with significantly greater wound area reduction in PBMT groups.

    One Sentence Outcome:PBMT significantly improved wound-area reduction in dogs with chronic wounds, supporting tissue repair and wound-healing claims.

    Study Parameters:21 client-owned dogs with chronic wounds divided into control, 830 nm PBMT, and simultaneous multiwavelength PBMT groups; wound area monitored every 2 days for 15 days.

    Device Parameters: 830 nm PBMT or simultaneous superpulsed multiple wavelengths (660, 875, and 905 nm).

    Evidence Level:Level 1b (veterinary randomized controlled trial)

    Study Type: Randomized controlled clinical trial

    Outcome Direction: Positive

  • Effects of low-level laser therapy on bone healing and signs of pain in dogs following tibial plateau leveling osteotomy

    By Kennedy et al.

    • 2018

    • Journal: American Journal of Veterinary Research

    Abstract: Objective: assess LLLT on synovial inflammation, pain, function, bone healing, and osteoarthritis after TPLO in dogs with CCLR. Dogs were randomized to LLLT or a red-light control treatment. Results suggested that the LLLT protocol used had no beneficial effects on signs of pain or pelvic limb function following TPLO.Objective: assess LLLT on synovial inflammation, pain, function, bone healing, and osteoarthritis after TPLO in dogs with CCLR. Dogs were randomized to LLLT or a red-light control treatment. Results suggested that the LLLT protocol used had no beneficial effects on signs of pain or pelvic limb function following TPLO.

    One Sentence Outcome:In dogs after TPLO, the tested LLLT protocol did not improve pain, limb function, or bone healing compared with the control protocol, making it useful for dose/protocol nuance.

    Study Parameters:Dogs were treated immediately before TPLO and at predetermined times for 8 weeks after surgery, with follow-up at 2, 4, and 8 weeks.

    Device Parameters: LLLT; radiant exposure 1.5-2.25 J/cm² in the treatment group; control received red-light treatment. Exact therapeutic wavelength was not reported in the PubMed abstract.

    Evidence Level:Level 1b (veterinary randomized controlled trial)

    Study Type: RCT

    Outcome Direction: Null/negative compared with LED control

  • Influence of class IV laser therapy on the outcomes of tibial plateau leveling osteotomy in dogs

    By Renwick et al.

    • 2018

    • Journal: Veterinary Surgery

    Abstract: Randomized, placebo-controlled clinical trial in 95 dogs undergoing TPLO. Laser-group dogs received 660, 800, 905, and 970 nm treatment during the perioperative period. The protocol was associated with greater improvement in adjusted Canine Orthopedic Index gait, but not in the other metrology scores or bone healing outcomes.Randomized, placebo-controlled clinical trial in 95 dogs undergoing TPLO. Laser-group dogs received 660, 800, 905, and 970 nm treatment during the perioperative period. The protocol was associated with greater improvement in adjusted Canine Orthopedic Index gait, but not in the other metrology scores or bone healing outcomes.

    One Sentence Outcome:Class IV laser therapy after TPLO was associated with greater improvement in kinetic gait assessment, but not broad improvement across all outcome measures.

    Study Parameters:Three perioperative treatments within 4 days; a fourth treatment was recommended and accepted in some dogs.

    Device Parameters: Class IV laser administered simultaneously at 660 nm red (100 mW) and 800, 905, and 970 nm infrared (maximum 15 W continuous wave, 20 W peak pulsed wave).

    Evidence Level:Level 1b (veterinary randomized controlled trial)

    Study Type: RCT

    Outcome Direction: Mixed / gait improvement

About the Author
Alon Landa is the CEO and co-founder of MedcoVet, a leader in at-home red light therapy for pets. With over 20 years of experience in medical technology and firsthand involvement in developing the Luma, Alon combines deep technical knowledge with a passion for improving pet health. He regularly collaborates with veterinarians and pet parents to advance photobiomodulation (PBM) care at home.
 📍 Based in Boston, MA
📖Read more from Alon here

Kristy Williams Medical Reviewer Headshot

About the Medical Reviewer
Clinical Focus: Surgery, anesthesia, canine fitness, injury prevention, agility
Kristy Williams brings over 30 years of experience to the veterinary field. Her career began in the 1990s, working as a civilian for the Army Veterinary Corps at RAF Feltwell in England, where she first discovered her passion for animal care and supporting their families. Upon returning to the United States, Kristy pursued her education and graduated in 2005 as a certified veterinary technician after passing the national exam. She has since gained extensive experience in both general practice and emergency/referral practices.
Read More about Kristy here.

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