Cortisone injections calm arthritis pain within days, but the relief fades within weeks and doctors cap how many shots you can safely get each year.

Stem cell therapy works more slowly and over a longer period.

The better choice depends on your arthritis stage, how many cortisone shots you have already had, and whether you are optimizing for fast relief or long term joint support.

If you have arthritis in your knee, hip, or shoulder, you have probably already heard about both of these options.

Cortisone injections are usually the first thing a doctor offers.

Stem cell therapy gets pitched as the next step once cortisone stops working or once you want to avoid surgery.

Osteoarthritis affects roughly 32.5 million adults in the United States, making up more than 41 percent of all arthritis diagnoses according to CDC data on arthritis subtypes.

With that many people searching for relief, the stem cell versus cortisone question comes up constantly, and the honest answer is more nuanced than either side usually admits.

This guide walks through how each treatment actually works, and how to think about which one fits your situation.

What’s the Real Difference Between Stem Cell Therapy and Cortisone Injections?

Cortisone is a steroid injected into the joint to shut down inflammation and pain, usually within days, with relief lasting weeks to a few months.

Stem cell therapy injects a concentration of cells intended to interact with the joint environment and support tissue repair over a longer timeline, at a slower pace and a much higher price.

Cortisone treats the symptom quickly, while stem cell therapy aims at the underlying biology, though that aim does not always translate into better results.

Both are injections done in a clinic, usually in under an hour.

Beyond that, they work in almost opposite ways, and picking between them means understanding what each one can and cannot do for your joint.

How Does a Cortisone Injection Treat Arthritis Pain?

A cortisone injection delivers a synthetic steroid directly into the arthritic joint to calm the immune response that causes swelling and pain.

Most patients feel noticeably better within two to five days, and the relief commonly lasts four to eight weeks, though some people get several months out of a single shot.

The steroid does not repair cartilage or change the course of the disease.

It only acts on inflammation, so once the medication wears off, the underlying arthritis is exactly where it was before the shot.

How Long Does Cortisone Relief Actually Last?

Duration varies a lot by patient, joint, and arthritis severity.

Early stage arthritis often responds well and for longer, while joints with significant bone on bone wear tend to get shorter, less complete relief each time.

Why Can’t You Get Cortisone Shots Forever?

Doctors generally limit corticosteroid injections to three or four per joint each year, spaced at least three months apart, according to Cleveland Clinic guidance on cortisone shots.

Going beyond that raises the risk of weakening the surrounding tissue instead of just managing symptoms.

That risk is not theoretical.

A two year randomized trial found that patients receiving a cortisone shot every three months lost roughly twice as much knee cartilage as those given a placebo injection, with no extra pain relief to show for it.

That single finding is a big part of why doctors eventually steer patients toward other options.

How Does Stem Cell Therapy Work for Arthritis?

Stem cell therapy for arthritis typically uses mesenchymal stem cells, a type of adult cell that can shift immune activity toward a less inflammatory state and release signals that support tissue repair.

Instead of just blocking inflammation like cortisone, these cells are meant to change the joint’s biological environment, with effects researchers are still working to measure.

Patients considering stem cell therapy for arthritis are usually drawn to this mechanism-based approach specifically because cortisone only ever addressed the symptom, not the joint itself.

Where Do the Stem Cells Come From?

Clinics source mesenchymal stem cells from a patient’s own bone marrow or fat tissue, or from donated umbilical cord tissue that is processed and screened before use.

The source affects cost, cell quality, and how the cells are handled before injection, which is part of why outcomes vary so much between providers.

Who Is a Good Candidate for Stem Cell Therapy Instead of Cortisone?

Good candidates for stem cell therapy tend to have mild to moderate arthritis, have already used up their safe annual quota of cortisone shots, or want to delay knee replacement surgery as long as possible.

Poor candidates include people with severe, bone on bone arthritis, since there is little functioning tissue left for the cells to support.

Anyone weighing stem cell therapy for joint pain more broadly should start with an honest assessment of arthritis stage, not just how long they have been in pain.

Patients closer to the surgical end of that spectrum face a different set of tradeoffs between stem cell injections and knee replacement surgery, since surgery solves the mechanical problem that injections cannot.

A short candidacy screening, like the online candidacy assessment Cellular Hope Institute offers, usually settles the question faster than general research alone can.

How Cellular Hope Institute Approaches Arthritis Treatment

At Cellular Hope Institute in Cancún, Mexico, every arthritis case starts with an orthopedic evaluation rather than a one size fits all protocol. 

Our orthopedic and regenerative medicine specialists, reviews imaging and history before recommending whether stem cell therapy makes sense for your specific joint, or whether cortisone, physical therapy, or another option is the more honest answer.

Patients who do move forward receive cells that are manufactured, tested, and quality controlled in house rather than shipped in from a third party lab, which matters given how much cell quality affects outcomes.

Many of our patients travel from the United States and Canada for this reason, combining the consultation and treatment into a single trip.

We would rather tell you honestly that cortisone or physical therapy is still your best next step than sell you a treatment that will not help.

That is the only way a decision like this holds up months later.

If you are weighing stem cell therapy against another round of cortisone, the right next step is a real evaluation of your joint, not another article.

Cellular Hope Institute can walk you through your imaging, your history with cortisone, and whether stem cell therapy is a reasonable option for your arthritis.

FAQs

Can I get stem cell therapy if cortisone injections stopped working for me?

Yes, this is one of the most common reasons patients look into stem cell therapy. Once you have used up your safe annual limit of cortisone shots or stopped getting relief from them, stem cell therapy becomes a reasonable next option to discuss with an orthopedic specialist, as long as your arthritis is not too advanced for cells to have much tissue to work with.

Can you combine cortisone and stem cell therapy?

Most clinics recommend spacing the two treatments apart rather than combining them in the same session, since cortisone’s anti-inflammatory effect can interfere with how stem cells behave in the joint. Your physician can advise on timing if you have had a recent cortisone shot and are now considering stem cell therapy.

How soon will I feel results from stem cell therapy?

Unlike cortisone, which works within days, stem cell therapy typically takes four to six weeks to show noticeable improvement, with effects potentially building over several months. This slower timeline is part of why it is marketed as a longer term option rather than a quick fix.

Do I need to travel to Cancún for stem cell therapy at Cellular Hope Institute?

Yes, treatment takes place at our clinic in Cancún, Mexico, since that is where our in-house cell manufacturing and treatment facility are located. Most of our arthritis patients come from the United States and Canada and combine their consultation, treatment, and recovery into one trip.