Meniscus Tear Treatment Without Surgery

Home → Meniscus Tear Treatment Without Surgery: What the Evidence Says About PRP

Medical illustration of a knee joint showing a torn meniscus.

Recently, a friend told me that he no longer felt comfortable skiing because of a meniscus tear that had happened three months earlier. His plan consisted of limiting activity, taking ibuprofen intermittently, and “living with it” because he did not know what else to do. Sadly, my friend is not alone. Meniscus tear treatment without surgery may be appropriate for some people, depending on the tear, symptoms, and condition of the whole knee.

What happens when a meniscus tear does not heal?

The meniscus is a C-shaped cushion of fibrocartilage between the femur and tibia. It distributes weight, absorbs shock, and stabilizes the knee. Its collagen is akin to a layered woven structure. Along with water-attracting molecules in the extracellular matrix (“ECM”), this structure allows the meniscus to tolerate continual load-bearing.

After injury—or years of degenerative microtears—the ECM can shift from supportive to inflamed and degraded. The meniscus may weaken, thin, or move beyond the edge of the joint, a finding called meniscal extrusion. Load then becomes concentrated in smaller areas, leaving the articular cartilage less protected. Over time, cartilage may thin and osteophytes, or bone spurs, may develop.

knee cartilage structure, meniscus — **Diagram:** Collagen fiber ultrastructure and orientation within the meniscus: 1 = superficial network, 2 = lamellar layer, 3 = central main layer, Arrowheads = radial interwoven fibers, Arrow = loose connective tissue.

Meniscus tears and knee osteoarthritis: a two-way relationship

A damaged or extruded meniscus can increase stress on cartilage; an osteoarthritic knee can also make the meniscus stiffer and more vulnerable to tearing. This is why the posterior horn of the medial meniscus is a common site of degenerative and radial tears.

The American Academy of Orthopaedic Surgeons’ 2024 guideline emphasizes preserving as much functional meniscal tissue as possible when surgery is needed. Because the guideline applies to acute isolated tears—not chronic degenerative tears—an individualized diagnosis remains important.

What does newer research say about PRP for meniscus tears?

Platelet-rich plasma, or PRP, is prepared from a patient’s own blood and contains concentrated platelets and signaling proteins involved in inflammation and tissue repair. The evidence has grown since this article was first written.

A 2024 systematic review of 10 studies and 686 patients found that most reported improved pain and function by three months, with benefits lasting at least one year. Imaging often showed a stable meniscus or interval healing, but PRP preparations and injection techniques varied.

A separate 2024 review of six studies and 184 patients found frequent improvements in pain and function, while complete healing on MRI ranged from 0% to 44%. A 2025 meta-analysis of 18 randomized trials involving 1,143 patients found lower pain, better knee function, and fewer treatment failures with PRP, without a significant increase in complications. Follow-up, however, was generally only three to 12 months. A 2026 critical appraisal concluded that evidence for PRP used alongside surgical repair remains limited in quality. Encouraging does not mean guaranteed: not every tear will regrow, and PRP cannot replace surgery for every patient.

Dr. Stacey Guggino treating meniscus at Oregon Regenerative Medicine

Regenerative injection therapy for a meniscus tear

At Oregon Regenerative Medicine in Lake Oswego, we evaluate the whole knee—not only the MRI report. Examination and diagnostic ultrasound can help assess effusion, meniscal extrusion, osteophytes, and surrounding ligaments and tendons. An MRI can be especially helpful when an acute or complex tear is suspected.

For selected patients, treatment may include ultrasound-guided PRP therapy or, when osteoarthritis and cartilage loss are also present, autologous adipose-tissue graft therapy. These therapies are intended to calm excessive inflammation and support the body’s repair response. Physical therapy, progressive strengthening, and activity modification remain important parts of recovery.

Frequently Asked Questions About PRP for Meniscus Tears

Can PRP heal a meniscus tear?

PRP may improve pain and function and support healing in some stable or degenerative tears, but imaging results are variable.

When should a meniscus tear receive prompt orthopedic evaluation?

A displaced tear, locked knee, root tear, or major loss of motion deserves prompt orthopedic evaluation.

You Don’t Have to Just “Live With” a Meniscus Tear

My friend did not necessarily need to stop skiing forever. An early, accurate evaluation can clarify which nonsurgical options may be reasonable and when surgery should still be considered.

Schedule an Evaluation

Updated August 2026

Sources

Maldonado M, Nam J. The role of changes in extracellular matrix of cartilage in the presence of inflammation on the pathology of osteoarthritis. Biomed Res Int. 2013;2013:284873. doi: 10.1155/2013/284873. Epub 2013 Aug 28. PMID: 24069595; PMCID: PMC3771246.
C. Rosalia Costa, William B. Morrison, and John A. Carrino. Medial Meniscus Extrusion on Knee MRI: Is Extent Associated with Severity of Degeneration or Type of Tear? Musculoskeletal Imaging July 2004. Volume 183, Issue 1.
Daszkiewicz K, Łuczkiewicz P. Biomechanics of the medial meniscus in the osteoarthritic knee joint. PeerJ. 2021 Nov 24;9:e12509. doi: 10.7717/peerj.12509. PMID: 34900428; PMCID: PMC8627128.
Elphingstone JW, Alston ET, Colorado BS. Platelet-rich plasma for nonoperative management of degenerative meniscal tears: A systematic review. Journal of Orthopaedics. 2024;54:67–75.
Gopinatth V, Batra AK, Chahla J, et al. Degenerative meniscus tears treated nonoperatively with platelet-rich plasma yield variable clinical and imaging outcomes: A systematic review. Arthroscopy, Sports Medicine, and Rehabilitation. 2024;6(2):100916.
Liang J, Tu M, Li H, Chen W, Wang C. Efficacy and safety of platelet-rich plasma for patients with meniscal injury: A systematic review and meta-analysis of randomized controlled trials. Orthopaedic Journal of Sports Medicine. 2025;13(10).
American Academy of Orthopaedic Surgeons. Management of Acute Isolated Meniscal Pathology. Clinical Practice Guideline. 2024.
Hantouly AT, Agostinone P, Romandini I, et al. Systematic reviews in PRP-augmented meniscal repair have limited methodological quality: A systematic overview. Journal of Experimental Orthopaedics. 2026;13(3):e70787.

Updated July 2026

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I tried so many other things for my neck issues (following 7 year old whiplash injury)- chiropractic, acupuncture, physical therapy, osteopathic manipulation, massage, etc. Nothing helped past temporary relief, and PT made it worse.

After 3 rounds of PRP, I’m happy to say that my neck pain is about 90% better, dizzy spells and vision disturbances down 75%, and range of motion vastly improved.

Planning to do more sessions this year. This is truly life changing therapy! Thank you so much Dr. Peterson.

L. Stashek – December 2023

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I suppose I needed a couple of days to put my head on straight and grasp the fact that I have a now healed labrum in my right hip.

While this occurrence might be something you get to experience often with patients, I admit that to me it is nothing short of a miracle. Nine years of a labral tear corrected in 3 months.

I was reminded today that just over a year ago I was looking into scheduling a surgery for it.

All of this to say, I just want to extend a huge “Thank You” to you all. I am so very appreciative….and now to fix this ankle.

B. Brutscher – October 2020

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“Great experience. I got prolotherapy on my jaw and ankle ligaments 4 years ago and have not had issues with the areas since.”

Both of my shoulders and my lower back were treated using prolo and PRP. I am currently pain free in those areas. Life is much sweeter when you’re not in pain all the time, thanks to Dr Peterson.

Prolotherapy helped me out so much with my sciatica and I have been pain free now for 1-1/2 months.

I had tried everything steroids injections, adjustments, PT, acupuncture and nothing worked until these treatments!

Neuroprolo

One of the irritating events in my body took two Oregon Regenerative Medicine doctors and one flash of insight to address, and the teamwork proved most efficacious!

My rambunctiously insomniac left calf, a disturbance identified by my chiropractor as an entrapped fibular nerve, stirringly alive in the daytime, became most troublesome at night with tremulous sensations like myriad tiny creatures humming and streaming beneath my skin, keeping me awake at night with their frenetic activity. Dr. Peterson got to work taming this insurrection with neuroprolo, a technique of light and superficial injections with effects far from superficial. I could already feel significant improvement, and enjoy deeper sleep, after the first session, and returned several times over the next few months for repeat performances till these symptoms abated completely.

In the course of this series, I realized in a sudden Aha! moment while out walking that I was keeping my left big toe from moving through its paces to avoid pain that had long before settled into it, thus throwing my entire left leg out of whack. Learning that feet were a side specialty of one of the doctors, I consulted him and was promptly educated in the importance of SPACE. Never an aficionado of pointed shoes or high heels, I was still inflicting my toes with crowding, and walked out from the clinic with a set of exercises, a set of toe separators, and a prescription for shoes with generous toe boxes. Before long, my gait returned to its rightful balance, cushioned and floating in Topo shoes that feel like Citroëns for the feet, when I wasn’t prancing around indoors in five-toe socks. With my fibular nerve pacified and my walking set straight, the entire issue was happily resolved, and has remained so ever since.

—Karine Pied-à-terre

Collagen Induction

When I learned about the snazzy new microneedling machine from Germany that Dr. Peterson had added to the clinic for enticing collagen to regenerate, I jumped at the chance and booked immediately, having heard of similar techniques several years ago. Less than two weeks later, I am already seeing — and feeling! — the effects from this first session, with much more to manifest over the coming weeks. Jennifer was very gentle and thorough as she worked on my face, neck, and décolleté, responding to both my own sense of what most needed reviving and reshaping and her own meticulous observation, along with Dr. Peterson’s, as he was present throughout.

Once I was numb, comfortably ensconced on the table, the process commenced, with PRP applied to open pores to intensify the results that microneedling alone can produce. Once all areas had been so treated, with a few afterthought touch-ups, my face was indulged for thirty minutes with a hyaluronic masque, very soothing and hydrating, and then I was good to go. A few days of gradual recovery from looking and feeling sunburned, a few more of not giving it all much thought, and then I awoke to the realization that my skin was suddenly looking very different: smoother, more even in tone, with pores refined, softer apparent to both look at and touch, dewy, hydrated, almost shimmery.

I’ve been a patient at CTM/Oregon Regenerative Medicine for thirteen years, benefitting from practically everything on offer, so I knew going into this that the highest standards would be maintained in aesthetic medicine, just as they are in naturopathic approaches to health and the longevity of my joints and good behavior of my muscles, tendons, and ligaments.

—Karen Christensen

Thank you for coming through yet again

Dear Oregon Regenerative Medicine, (Please share with everyone as your entire office is great.)

All medical people are kind of under siege right now. This is a scary time. It is comforting to me that I have a medical office that I can always rely on to be empathetic, efficient, friendly, and helpful when I need assistance. Thank you for coming through yet again. Take good care of yourselves.

I wanted to send a real card, but it would have been germy, so here is a virtual one with photos taken while social distancing in a park.

Susan

How PRP prolotherapy cured my headache

After two years I still had a constant headache after I got a concussion by falling on my head. I was plagued by constant headaches that would not go away no matter what I did. I had x-rays, an MRI, and I tried all the drugs that several of my doctors prescribed to me. Nothing helped and I did not want to just live on drugs. I tried different massage therapist, acupuncture, a couple different chiropractors, and all sorts of natural medicines and exercises. My headache was quite severe. After over a year of constant neck and headache pain, I was finally referred to Dr. Peterson.

The first PRP prolotherapy injections into my neck were painful, but in just three days I started feeling better. I had four treatments done by Dr. Peterson. Other than the painful treatment, I greatly enjoyed myself there, for all the people were so kind and tried their hardest to help. Now my headache is gone and all around the area of my neck that was treated feels amazing. I would highly recommend Dr. Peterson and PRP prolotherapy.

Caitlin R. Koch

Migraine headaches & hip pain

I am a 50-year-old mother of two. Several years ago I started having terrible migraine headaches which would incapacitate me for days. I was taking Topamax to lessen the frequency and also AltMax for when I would get a migraine despite the Topamax. The longer I took Topamax, the less effective is was and I was starting to get more and more migraines. Dr. Peterson has treated me twice with Prolo Therapy for my migraines and the change has been remarkable. I no longer take the Topamax, which was costing me $200/month and in the past 6 months I’ve only had 2 migraines, which were greatly reduced in strength and I was able to handle them with Excedrin. The Prolo has also had the added benefit of lessening my neck aches and making my neck feel much stronger. Dr. Peterson had also treated my hip with Prolo. I sleep on my side and was finding it difficult to get a full nights sleep because my hip would start aching, feeling like it had slipped out of place. Chiropractic didn’t help, but with Prolo my hip became stronger and no longer slips out. I no longer have the constant ache in my hip and can now sleep on my side without pain. It is such a relief to know that as I age, I don’t have to just put up with the pain, but can, in fact, make my joints stronger.

Lorri Busse

Tehachepi, CA

Old athletic injuries healed

I am often cautious when I hear someone exclaim, “that treatment was amazing” or “what a miracle”, however, hear I am saying those same words after just a few treatments of prolotherapy from Dr. Peterson. I came in to get treatment for some old athletic injuries from a water skiing accident in 1994 and many various crashes alpine skiing, plus the usual aches and pains of being athletic. I had sustained quite a bit of trauma to my sacro-iliac joint 15 years prior to seeing Dr. Peterson in a water skiing accident and then many years of alpine skiing crashes on top of overuse injuries in weightlifting, running, cycling and mountaineering. I had pain and limitation in range of motion mainly in the sacroiliac joint area, but with many areas to include shoulder joint, knee and along my sacrum and lumbar spine. After receiving just 2 treatments, I already had significant improvements in pain and motion, plus I was getting stronger. As I continued my treatments, it was as if the injuries no longer even existed and I had new supportive ligamentous support. Now, telling my story many years later, I feel I can actually say, “wow, that was a miracle treatment by Dr. Peterson.” I have competed in various CrossFit competitions, continued to cycle even harder, continue to excel in my strength, recovery from workouts and backpack and climb for days and days without pain or dysfunction.

KL, Portland, Oregon

Laboratory Associate Sales Representative

Adipose tissue graft instead of hip replacement

After 3 Orthopedic surgeons told me I needed a total hip replacement, I tried prolotherapy and PRP up here in Seattle. The pain continued and had gotten severe enough that I was making plans for surgery. Then a friend told us about adipose tissue grafts, and we saw Dr. Peterson and I had my first treatment October 2013. Within 5-weeks I was having a lot less pain, and I was able to use my hip in ways I had not been able to for 5 years. Now, 8 months later I can say I’m 80-85% back to full function and use of my hip and no pain, and I’m still seeing gradual improvement. I tell everyone with a bad knee or hip or back about my results and those that have seen Dr. Peterson have all had great results.

N.E.

Seattle, Washington

Adipose tissue grafts for foot and ankle arthritis

Dear Dr. Peterson–you been a very significant influence on my health over the last 20 years, starting with finding that my digestive problems were due to low stomach acid. None of the G.I. specialists came up with anything. The initial PRP prolotherapy back in 2009–what a difference, especially noticeable in the osteoarthritis of my thumbs and knees.

Now with the addition of adipose tissue grafts and orthobiologics to the mix, my foot and ankle has healed and I actually have realistic hope of being able to hike long distances again.

Thank you for your drive, intellect, capability, etc., etc., etc. that have brought you to this level of healing ability, gratefully,

A.G., Lake Oswego

Alp Goldsmith

Lake Oswego, Oregon

ACL tear

I was having pain in both knees and thought it was just part of growing old. After a 2nd acute hyperextension injury I was told I needed surgery. I saw Dr. Peterson and unlike the orthopedist who did a quick exam and ordered an MRI, Dr. Peterson examined my knees and figured out exactly where my problem areas were. After 3 PRP treatments, I have no pain and feel completely stable. I’m confident that my 35-year-old knees will be back to where they were when I was younger. My job as a firefighter is physically demanding and I was able to remain active throughout all of my treatments. Worth every penny! Is also way better than going under the knife! Thanks Dr. Peterson!

Firefighter in Portland, Oregon

Bone-on-bone knee cartilage

34 years ago I had surgery to remove the cartilage in my knee. Gradually my activity became more and more limited and I used to plan my day around how much use I could get out of my knee. As years went by I could be on my knee for no more than 45 to 60 min. at a time and had to rest it for several hours to reduce the pain and swelling before resuming even the simplest physical activity.

I began prolotherapy with Dr. Peterson about 18 months ago, and slowly began to see the difference in leg strength, the ability to work, and reduced wobbling and swelling of 30+ years. Now I do the usual things that others may take for granted like walking, gardening, climbing a ladder, going up and down steps without pain. I will say that I’ve regained 75% to 80% of the use of my knees and I can enthusiastically encourage those who look at prolotherapy is a noninvasive procedure with proven results.

Paul Mumford

Business analyst in Salem, Oregon

Knee arthritis

I’m walking now with no pain!
Dr. Peterson-thank you so much for the prolotherapy-I feel great! I can bend my knees with no pain-squat with no pain-I am walking out with no pain!

Rachel Lewis

Retired in Milwaukie, Oregon

TMJ

I’ve had considerable stiffness and facial spasms on the left side of my face for 30 years. I read about prolotherapy in a book. Over 2-years, I’ve probably had 10 prolotherapy sessions in the TMJ, in my neck, and all down my spine. Miraculously this has healed the surgical damage I had to the nerve on the left side of my face, and I now have freedom from pain in ways no one could possibly understand. I even brought in my friend to see Dr. Peterson to repair both of his knee joints. His results were miraculous too.

Beaverton, Oregon

Sciatica & spinal stenosis

Since 2003 I’ve had intermittent sciatic pain from lumbar stenosis alongside of scoliosis. In 2008, two West Coast orthopedic surgeons offered to rebuild my spine but my friend Jean Lusk told me about her comparable medical situation resolved from PRP prolotherapy by Dr. Peterson. I agreed to 6 months treatment which lasted from February till July 2010. The conclusion is that I have achieved 80% success in relieving the pain. What I have gained has been just short of miraculous! My attending M.D. remarked that as a 75 year-old my progress was just short of a miracle!

R. Siebens

Rose Villa, Milwaukie OR

Torn hip labrum in Olympic athlete

I’ve been extremely busy since returning to the United Kingdom and my water polo team. Tomorrow will be exactly one month since my first PRP prolotherapy and my hip is definitely improving-I am very pleased with the results so far. I do still have some pain, but is less than before therapy. Sometimes it doesn’t hurt at all. I’ve played in competitions since the prolotherapy and didn’t feel my hip aching. I will be in Oregon in late December and I was hoping to get more prolotherapy on both hips in preparation for the Summer Olympics.

Lisa Gibson

British Olympic Water Polo Team

Torn hip cartilage

My name is Jene Denis, I’m 51 years old and have been an athlete all of my life. One day while running an 8-miler through the hills where live I felt my hip pop; man it hurt and I still had at least 4 miles to go. I thought my hip dislocated. I went to several doctors, most were top in their field and the diagnosis was ripped labrum cartilage in my hip, with degeneration of the cartilage and bone loss as well. The doctors were talking about hip replacement. At 51?

My Dr. here in Bend knew about Dr. Peterson’s success with hips and with each PRP injection the pain lessened and I was healing and I could not believe it. This year I skied and snowboarded all winter.

Jene Denis

Bend, OR

Sciatic Pain and Lumbar Stenosis

For eight years before seeing Dr. Peterson I had sciatic pain so incapacitating that Physical therapy did not help, and exercise was impossible as it would trigger me to be bed ridden in pain. I sought help from AMA orthopedists who diagnosed sciatica from lumbar stenosis and offered to rebuild my spine. I finally took the advice of another resident here at Rose Villa who had had success with her back and knees. After six PRP prolo treatments I achieved 80% relief of my pain, and I now exercise and take part in the activities here at Rose Villa. My attending physician remarked that my progress was “just short of a miracle”. I shall be eternally grateful to Dr. Peterson for saving me from surgery!

-Joyce Siebens, Retired, 80 years young!

Weight loss

HCG: What does this weight loss and change in diet mean for me? It’s like a rebirth. The weight was acquired so gradually, that it just snuck up on me, and I truly didn’t realize how desperately handicapped I had become. I fluffed off the limitations is just part of getting older. Well, now I am older and fat-free and feel as if I could live forever. Every move I make is a move of freedom. My mood is lighter as well, as light as my weight. The vague depression faded as I became physically lighter. I’m healthier because of the weight loss in every way my body functions. I look forward with joy to my future as a healthy, active, very happy, great-grandmother. I could not have accomplished any of this without the help of my good friend Dr. Noel Peterson. He’s been my doctor for over 12 years. His supporting and guidance kept me on the mark.

Herma Ray Baxter

Portland, OR