Ankle arthritis is wear of the cartilage in the main ankle joint, and most of the time it starts with an old injury: a bad sprain or a fracture years ago. It shows up as a deep ache and stiffness after standing or walking. Bracing, shoe changes and guided injections come first, and orthobiologics can delay fusion or replacement.
Why does my ankle hurt years after the injury?
Knee and hip arthritis usually creep in with age. Ankle arthritis is different. In most people it follows an injury. A broken ankle heals with the joint surface a little uneven. A bad sprain leaves loose ligaments, so the ankle rolls and shears with every uneven step. Either way, the load lands on a smaller patch of cartilage than it was built for.
That is why people with ankle arthritis are often younger than people with knee arthritis. Many are in their 40s or 50s and still working on their feet. The injury was a slip on ice, a missed step off a loading dock, or a car crash. Ten or twenty years later, the bill comes due.
The joint’s biology adds to it. Cartilage has no blood supply, so it repairs slowly at the best of times. When the bone under a damaged patch gets bruised and swollen, that bone becomes a big part of the pain. Insulin resistance and belly fat keep the joint lining inflamed, and every extra pound adds force on a joint the size of a walnut.
Work makes it worse. Standing on concrete for a full shift is hard on any ankle. For a lot of people in North County, sitting down is not an option the job offers. The plan has to fit the shift.
For every condition we treat with orthobiologics, see our PRP injections in St. Louis page.
How do I know if my ankle pain is arthritis?
- Arthritis: a deep ache in the front of the ankle, stiffness in the morning, swelling by the end of the day, and pain going up hills or stairs.
- A loose ankle: the ankle gives way or rolls on uneven ground. This can come before arthritis and speed it up.
- Heel or arch pain: pain on the bottom of the heel is usually not the ankle joint. See plantar fasciitis.
- Nerve pain: burning or numbness in the foot points to a nerve, such as peripheral neuropathy.
A standing X-ray shows how much space is left in the joint. An MRI can show a damaged patch of cartilage on the top of the talus, the bone under the shin, and any bone bruise below it. That finding matters, because it is the type of ankle problem that responds best to orthobiologic care.
What helps ankle arthritis without surgery?
- A brace. A lace-up brace or a custom ankle brace limits the painful motion and steadies a loose joint.
- Shoes. A stiff, rocker-bottom sole lets you roll through a step without bending the ankle as far.
- Strength and balance work. Strong calf and ankle muscles and better balance cut the shear on the joint. See physical therapy.
- Weight and blood sugar. Less load and less inflammation help any arthritic joint. See metabolic care.
- A guided injection. The ankle joint is tight, so we place injections with imaging. See joint injection.
In a 2026 review of ankle injection trials, hyaluronic acid had the most support, and steroid alone did not show lasting benefit. We use steroid for a bad flare, not as a monthly routine.
Do PRP and bone marrow injections work for ankle arthritis?
The honest answer is: for some ankles, and you should know which. A 2024 review of ten studies found that in people with a damaged patch of cartilage on the talus, the benefit of PRP was clear and it lasted.
Here is how we use that. Orthobiologics are not a cure for an ankle that has worn to bone. They make the most sense in early to moderate arthritis, in a focal cartilage injury, and when the bone under the cartilage is bruised. PRP is your own concentrated platelets. Bone marrow concentrate, called BMAC, is taken from the back of the pelvis with a needle. We place the product inside the joint, and when imaging shows a bone bruise, into the bone just under the damaged cartilage. Results depend on the platelet dose delivered and on the brace, shoes and strength work around it.
Over 90% of our accepted case-study patients see significant improvement. These are practice-reported figures from our own population, not trial outcomes, and individual results vary.
You are awake, with local numbing medicine. Most people drive home. Expect soreness for about 48 hours, and a few days in a supportive boot or brace if bone was treated. The number of injections follows how you respond. Orthobiologic care is not covered by insurance, and HSA and FSA funds can generally be used. It is done at our regenerative clinic, 4477 Woodson Rd in St. Louis.
When do I need ankle fusion or replacement?
When the joint space is gone, the ankle is out of line, and pain stops you from walking a block, surgery is a fair choice. Fusion locks the joint and takes away the pain. Replacement keeps some motion. Both are big operations with long recovery. If that is where your X-ray and your life point, we say so.
Frequently asked questions
Can an ankle sprain from years ago cause arthritis now?
Yes. Repeated sprains leave the ankle loose, and a loose ankle wears its cartilage unevenly. Many people with ankle arthritis recall a sprain or fracture ten or more years earlier.
Is walking bad for ankle arthritis?
No. Walking keeps the joint fed and the muscles strong. Choose flat ground, good shoes and a brace on long days. Hills, stairs and uneven ground are the hard part.
Will PRP regrow cartilage in my ankle?
No treatment has been shown to regrow a normal ankle surface. The goal is less pain, better use, and more years before surgery. A damaged patch with a bone bruise under it tends to respond best.
Do ankle braces really help?
Yes, for many people. A brace limits the motion that hurts and steadies a loose ankle. It works best combined with strength and balance work.
How long do I have before I need surgery?
There is no set clock. It depends on the stage, how loose the joint is, your weight, and your work. Many people put off surgery for years with the right plan.
Sources
- Ding Q et al. The efficacy of platelet-rich plasma in ankle disease: a systematic review and meta-analysis. Journal of orthopaedic surgery and research, 2024. PubMed 39741342
- Bertwistle J et al. Which Injectable Technology Is Best in the Non-surgical Management of Ankle Osteoarthritis: A Systematic Review. Foot & ankle specialist, 2026. PubMed 42615463
- Donovan RL et al. Effects of recurrent intra-articular corticosteroid injections for osteoarthritis at 3 months and beyond: a systematic review and meta-analysis in comparison to other injectables. Osteoarthritis and cartilage, 2022. PubMed 36108937
Stay on your feet without counting steps.
Bring your old X-rays or MRI. We will tell you what stage your ankle is in and what is worth doing now.
Monday–Friday, 8:00 a.m. – 4:00 p.m. Orthobiologic procedures are done at our regenerative clinic, 4477 Woodson Rd, St. Louis.