Cortisone Injections for Arthritis and Pain in Orthopedics

Cortisone injections are widely used in orthopedics to reduce inflammation and alleviate pain associated with arthritis and other musculoskeletal conditions. These injections deliver synthetic steroid medication directly into joints, tendons, or soft tissues to suppress the immune response that drives inflammation and pain. While commonly referred to as “cortisone shots,” the injections typically contain corticosteroids such as methylprednisolone or triamcinolone combined with a local anesthetic to provide both immediate and longer-lasting relief.

Mechanism and Clinical Use

In arthritis, especially inflammatory forms like rheumatoid arthritis and degenerative conditions like osteoarthritis, inflammation of joint tissue leads to pain, swelling, and reduced mobility. Cortisone injections disrupt this inflammatory cycle by locally suppressing immune activity at the site of pain. The injections can be performed in a variety of body parts including shoulders, knees, hips, ankles, and feet. This can improve function and quality of life for patients who have not achieved adequate relief with oral medications or physical therapy.

For example, corticosteroid injections are a standard and common non-operative treatment in knee osteoarthritis, reducing pain and improving symptoms for short periods of time. Research shows that patients often experience reduced pain severity up to three months following injection compared to baseline. 

Benefits

One of the main advantages of cortisone injections is targeted pain relief. Since the medication is delivered locally, systemic side effects are minimized compared to oral steroids. Many patients report improved joint mobility and reduced reliance on oral pain medications after injection. Large cohorts of data in osteoarthritis patients suggest that steroid injections may decrease the use of systemic pain medications, including NSAIDs and opioids. Additionally, these injections can serve as diagnostic tools. For example, if pain decreases after the injection, it helps confirm that the joint itself is the source of discomfort.

Risks and Limitations

Despite their benefits, cortisone injections are not without risks. Common short-term effects include temporary pain flare, swelling, or redness at the injection site. There also may be short-lived increases in blood sugar, which is important for diabetic patients.

Repeated or frequent injections raise concern for long-term complications, including tendon weakening or rupture, cartilage damage, thinning of bone and soft tissue near the injection site, and potential suppression of local immune responses. Due to these risks, clinical guidelines often recommend limiting injections in a single joint to no more than three to four times per year and considering alternative treatments if relief is insufficient.

Furthermore, while many patients experience short-term improvement, longer-term benefits are less clear. In comparison to other treatments, such as physical therapy or hyaluronic acid injections, these treatments demonstrate that cortisone’s early advantage in pain relief may wane over longer follow-up periods. Lastly, its impact on function and joint health remains variable between patient populations.

Clinical Decision-Making

It is important to consult with a clinician before receiving a cortisone injection. These decisions involve weighing immediate pain relief against potential long-term effects. For individuals with moderate to severe pain that significantly limits daily function, injections can play an important role in delaying surgery or enabling participation in rehabilitation programs. Clinicians also consider factors such as the severity of arthritis, patient comorbidities, and prior responses to injections when deciding on treatment frequency and alternatives.

Conclusion

Cortisone injections remain a valuable tool in orthopedic pain management, especially for arthritis that is resistant to conservative therapies. They provide targeted anti-inflammatory effects and can offer temporary relief that improves mobility and quality of life. However, careful consideration of risks, limitations of long-term effectiveness, and appropriate patient selection, and  are essential to optimizing outcomes and minimizing adverse effects.

Works Cited

“Cortisone Shot (Steroid Injection).” OrthoInfo, American Academy of Orthopaedic Surgeons, 2026, orthoinfo.aaos.org/en/treatment/cortisone-shot-steroid-injection/.

“Cortisone Shots.” Mayo Clinic, 2026, www.mayoclinic.org/tests-procedures/cortisone-shots/about/pac-20384794. 

“Cortisone Shots (Steroid Injections): Benefits & Side Effects.” Cleveland Clinic, 2026, my.clevelandclinic.org/health/treatments/cortisone-shots-steroid-injections. 

Hawley, et al. “Effect of Intra-articular Corticosteroid Injections for Osteoarthritis on the Subsequent Use of Pain Medications.” Rheumatology, 2025.

Assessed and Endorsed by the MedReport Medical Review Board