Bone on Bone Knee Treatment: 10 Options

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Being told your knee is “bone on bone” can feel like a dead end. Many patients walk out of the doctor’s office believing that knee replacement surgery is their only path forward. But the evidence tells a different story.

Research published in major orthopedic journals over the past decade has consistently shown that most patients with advanced knee arthritis benefit from a combination of treatments. Here are 10 options organized from the least invasive to the most invasive.

1. Physical Therapy and Targeted Exercise

Evidence level: Strong — recommended by every major arthritis guideline

Physical therapy is the single most consistently recommended treatment for knee osteoarthritis at any stage, including bone on bone. The 2019 OARSI guidelines gave exercise their strongest recommendation regardless of disease severity.

A structured program typically focuses on:

• Quadriceps strengthening to reduce the load on your knee joint
• Hip and glute strengthening to improve alignment and stability
• Range-of-motion exercises to maintain flexibility
• Balance training to reduce fall risk

Research from a Cochrane review of 54 trials found that exercise reduces pain by 30 to 40 percent on average in people with knee osteoarthritis. The benefits are comparable to over-the-counter pain medications but without the side effects.

For specific exercises safe for bone-on-bone knees, see our exercise guide.

2. Weight Management

Evidence level: Strong

Every pound of body weight adds roughly 4 pounds of force across the knee joint. For someone carrying 20 extra pounds, that means 80 additional pounds of pressure with every step.

A landmark study published in JAMA found that overweight adults with knee OA who combined diet and exercise achieved a 51% reduction in pain scores. Even modest weight loss of 10 to 15 pounds can produce noticeable improvement. Weight management is not a standalone treatment, but it amplifies the effectiveness of every other treatment on this list.

3. Viscosupplementation (Gel Injections)

Evidence level: Moderate to strong for knee OA

Hyaluronic acid injections supplement the joint’s natural lubricating fluid. In a healthy knee, synovial fluid contains high concentrations of hyaluronic acid that provides cushioning and reduces friction. Osteoarthritis depletes this fluid, and gel injections restore it.

Key facts about gel injections for bone-on-bone knees:

• Medicare has covered this treatment since 1997
• Typically provides 6 to 12 months of pain relief per treatment cycle
• A large database study found that 75% of bone-on-bone patients delayed surgery by 7+ years with viscosupplementation
• Effectiveness depends heavily on accurate placement — imaging-guided injections are significantly more accurate than blind injections

For a detailed look at how gel shots work for advanced arthritis, see our gel shots guide.

4. Unloader Knee Braces

Evidence level: Moderate

An unloader brace is a mechanical device that physically shifts weight away from the damaged side of the knee joint. This is particularly effective when bone-on-bone changes are concentrated in one compartment (usually the inner/medial side).

Benefits include:

• Immediate pain reduction during weight-bearing activities
• No side effects or drug interactions
• Can be worn during walking, exercise, and daily activities
• Covered by Medicare with a prescription

Unloader braces do not reverse cartilage damage, but they reduce the mechanical overload that causes pain. Many patients find they can walk farther and with less discomfort when using one.

5. Corticosteroid (Cortisone) Injections

Evidence level: Strong for short-term relief

Cortisone injections deliver a powerful anti-inflammatory medication directly into the knee joint. They typically provide relief within a few days and can last several weeks to a few months.

Cortisone is best used for:

• Acute flare-ups with significant swelling
• Short-term relief while building up to other treatments
• Reducing inflammation before starting physical therapy

Doctors generally limit cortisone to 3 to 4 injections per year per joint. Repeated cortisone injections may accelerate cartilage breakdown in some patients, so this treatment is typically used strategically rather than as a long-term mainstay.

6. Oral and Topical Medications

Evidence level: Strong for symptom management

Several medication categories can help manage bone-on-bone knee pain:

• Acetaminophen (Tylenol) — mild pain relief with fewer stomach side effects
• NSAIDs (ibuprofen, naproxen) — reduce both pain and inflammation; available over the counter or by prescription
• Topical NSAIDs (diclofenac gel) — applied directly to the knee, producing targeted relief with fewer systemic side effects
• Duloxetine (Cymbalta) — an antidepressant that also reduces chronic pain; FDA-approved for osteoarthritis
• Topical capsaicin — derived from chili peppers, reduces pain signals from the joint when applied regularly

Your doctor can help you choose the safest option based on your other medications and health conditions. Long-term NSAID use requires monitoring for stomach, kidney, and heart effects.

7. Assistive Devices and Activity Modification

Evidence level: Moderate (common-sense evidence)

Simple tools and adjustments can meaningfully reduce knee stress:

• Walking aids — a cane used in the opposite hand reduces knee joint forces by 20 to 30 percent
• Shoe inserts — lateral wedge insoles may reduce medial compartment loading
• Supportive footwear — cushioned, shock-absorbing shoes reduce impact
• Raised toilet seats and grab bars — reduce the deep bending that stresses bone-on-bone knees
• Activity pacing — alternating activity and rest periods throughout the day

These modifications are often overlooked but can make a significant difference in daily comfort.

8. Hot and Cold Therapy

Evidence level: Limited (widely used, minimal formal research)

Ice and heat are among the simplest and most accessible treatments. Ice reduces swelling and numbs pain after activity. Heat relaxes muscles and improves blood flow, which can help with stiffness.

General guidelines:

• Ice after activity or during flare-ups (15 to 20 minutes with a barrier on the skin)
• Heat before activity or for morning stiffness (15 to 20 minutes)
• Contrast therapy (alternating hot and cold) may help some patients

9. PRP (Platelet-Rich Plasma) Injections

Evidence level: Emerging

PRP therapy involves drawing a small amount of your blood, concentrating the platelets in a centrifuge, and injecting the concentrated solution into the knee. Platelets contain growth factors that may support tissue healing and reduce inflammation.

The research is still developing. Some studies show benefit comparable to hyaluronic acid injections, while others show no significant advantage. PRP is generally not covered by insurance and can cost $500 to $2,000 per injection.

PRP may be worth discussing with your doctor if other conservative treatments have not provided sufficient relief and you want to explore non-surgical options before considering surgery.

10. Knee Replacement Surgery

Evidence level: Strong for appropriate candidates

When conservative treatments no longer provide adequate pain relief and your quality of life is significantly affected, knee replacement becomes a reasonable option.

Two types are available:

• Partial knee replacement replaces only the damaged compartment; appropriate when bone-on-bone changes are limited to one area
• Total knee replacement replaces all three compartments; appropriate for widespread damage

Modern knee replacements have a 95% survival rate at 15 years and 82% at 25 years. Recovery typically takes 3 to 6 months for basic activities and up to a year for full benefit. Most patients report significant pain reduction and improved function.

Surgery should be considered when:

• You have tried a comprehensive conservative program for at least 3 to 6 months
• Pain limits your ability to do basic daily activities
• Sleep is regularly disrupted by knee pain
• Your quality of life has declined substantially

Which Treatments Work Best Together?

The most successful patients with bone-on-bone knees typically use a combination. Research supports these pairings:

• Physical therapy + weight management — the evidence base for this combination is particularly strong
• Gel injections + physical therapy — injections reduce pain enough to participate more fully in exercise
• Unloader brace + walking program — the brace enables more comfortable activity
• Topical medications + ice/heat — layered symptom management with minimal side effects

Talk to your healthcare provider about building a personalized treatment plan that addresses your specific pain patterns, activity goals, and health profile.

Frequently Asked Questions

What is the best treatment for bone on bone knee without surgery?

The most effective non-surgical approach combines several treatments. Physical therapy and targeted exercise have the strongest evidence base. Adding viscosupplementation (gel injections) with imaging guidance, weight management if applicable, and an unloader brace creates a comprehensive program. Research shows this combination can delay or eliminate the need for surgery in many patients.

Can bone on bone knees get better without surgery?

Bone-on-bone refers to cartilage loss, and current treatments cannot regrow cartilage. However, pain and function can improve significantly without surgery. Strengthening muscles, reducing inflammation, restoring joint lubrication with gel injections, and using mechanical support like braces all address the consequences of cartilage loss. Many patients achieve a quality of life that makes surgery unnecessary.

How much does treatment for bone on bone knees cost?

Costs vary widely. Physical therapy copays are typically $20 to $75 per session. Gel injections range from $500 to $1,500 per treatment cycle but are covered by Medicare and most private insurance. Unloader braces cost $300 to $1,000 and are often covered with a prescription. Over-the-counter medications cost $5 to $30 per month. Knee replacement surgery costs $30,000 to $50,000 but is covered by insurance. Always verify coverage with your specific plan.

Should I try conservative treatment or go straight to surgery?

Unless you have a medical emergency, most orthopedic guidelines recommend trying a comprehensive conservative treatment program first. This means physical therapy with proper guidance, imaging-guided injections, weight management, and bracing. If you have tried only blind (non-guided) injections or a few weeks of exercises, you likely have not exhausted your conservative options.

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