Most patients can safely receive no more than 3–4 cortisone injections per year in the same joint, with at least 6–12 weeks between injections depending on the condition and clinical response.
However — the ideal frequency varies from person to person. At Alton Pain Clinic, we assess every patient individually to ensure injections are timed appropriately for maximum benefit and long-term joint health.
Why Limiting Cortisone Injections Matters
While cortisone injections reduce inflammation and offer fast relief, overuse can lead to unwanted side effects. Repeated injections too close together may:
- Weaken tendons and surrounding tissue
- Increase cartilage thinning and joint damage over time
- Make future injections less effective
- Raise risk of infection or flare reactions
By spacing injections safely, we protect the joint, prolong pain relief, and reduce the likelihood of complications.
Recommended Time Between Cortisone Injections
| Condition / Area | Typical Minimum Gap | Maximum Per Year |
|---|---|---|
| Knee Osteoarthritis | 3 months | 3–4 injections |
| Shoulder Pain / Frozen Shoulder | 3–4 months | 3 per year |
| Sciatica / Nerve Pain | 3 months | 2–3 per year |
| Bursitis / Tendon Issues | 6–12 weeks | Up to 3 annually |
| Severe Chronic Conditions | Case-by-case assessment | Tailored plan |
Every patient is different. At Alton Pain Clinic, your consultant will consider your pain level, previous response to steroid treatment, and overall joint health before recommending injection frequency.
Signs You May Not Need Another Injection Yet
You may not require a repeat injection if:
✔ Your pain relief is continuing to improve
✔ You are functioning well day-to-day
✔ Mobility has increased without discomfort
On the other hand, you may benefit from a follow-up injection if:
• Pain returns or worsens again
• Movement becomes restricted
• Symptoms disrupt sleep or daily activity
We review patients individually — repeat injections are never automatic.
How Long Does a Cortisone Injection Last?
Relief typically lasts 6–12 weeks, but some patients experience benefits for several months. The longevity depends on:
- Severity of inflammation
- Activity levels
- Underlying joint damage
- Overall treatment plan
Key Takeaway
Most people can have cortisone injections 3–4 times per year, with at least 6–12 weeks between injections.
Safe spacing protects the joint, prolongs pain relief and reduces the risk of tissue damage.
Explore Other Treatment Options
Hyaluronic Acid Injections
Hyaluronic acid (HA) injections can help improve joint lubrication by replenishing the natural hyaluronic acid found within the joint. This may reduce friction between joint surfaces, support smoother movement and help improve comfort during everyday activities.
PRP Injections
Platelet-rich plasma (PRP) injections use a concentrated preparation of your own platelets to support the body’s natural healing processes within the affected joint. They may help support tissue repair, reduce discomfort and promote improved joint function and mobility.
Frequently Asked Questions
How many cortisone injections can you have in one year?
Most people can safely receive 3–4 cortisone injections per year in the same area.
How long should you wait between steroid injections?
Typically 6–12 weeks, depending on your condition and clinical response.
How long does pain relief last after a cortisone injection?
Relief usually lasts 6–12 weeks, but in some cases may last longer.