Peripheral Joint Injections

What Is a Peripheral Joint Injection?

A peripheral joint injection is a minimally invasive procedure that delivers medication directly into a joint outside of the spine. “Peripheral” simply means joints of the arms and legs, such as the shoulder, hip, knee, ankle, elbow, wrist, or small joints of the hands and feet.

These injections are most commonly performed using a combination of:

• Corticosteroid (to reduce inflammation)

• Local anesthetic (for temporary numbing)

In some cases, other substances such as hyaluronic acid (viscosupplementation) or biologic treatments like PRP may be considered depending on the joint and condition.

By placing medication directly inside the joint, inflammation can be targeted more precisely than with oral medications alone.

What Conditions Can Be Treated?

Peripheral joint injections are commonly used for:

• Osteoarthritis

• Inflammatory arthritis

• Post-traumatic joint pain

• Bursitis

• Tendon-related inflammation

• Joint swelling and stiffness

• Mechanical joint irritation

These injections are often recommended when conservative treatments such as rest, activity modification, physical therapy, or oral medications have not provided sufficient relief.

Which Joints Can Be Injected?

Common peripheral joints treated include:

• Shoulder

• Hip

• Knee

• Ankle

• Elbow

• Wrist

• Small joints of the hands and feet

Each joint has unique anatomy, and image guidance is often used to improve precision and safety.

How the Injection Works

Joint pain is frequently driven by inflammation inside the joint capsule. Corticosteroids reduce inflammatory signaling, which can:

• Decrease swelling

• Reduce stiffness

• Improve range of motion

• Reduce pain during activity

• Improve sleep

The local anesthetic provides short-term numbing and may help confirm that the joint is the true source of pain.

How the Procedure Is Performed

Peripheral joint injections are typically performed using ultrasound or fluoroscopic (x-ray) guidance.

1. The skin is cleaned and sterilized.

2. Local anesthetic numbs the skin and deeper tissues.

3. Imaging guidance ensures accurate needle placement inside the joint.

4. Medication is injected directly into the joint space.

5. A small bandage is applied.

The procedure usually takes 10–20 minutes and is performed on an outpatient basis.

What Should I Expect Afterward?

Immediately after injection, you may notice:

• Temporary numbness

• Reduced pain from anesthetic

• Mild pressure or fullness in the joint

Steroid effects typically begin within several days.

Some patients experience temporary soreness for 24–48 hours, sometimes referred to as a post-injection flare.

How Long Does Relief Last?

Relief duration varies depending on:

• Severity of joint degeneration

• Level of activity

• Underlying diagnosis

• Individual inflammatory response

Many patients experience improvement lasting weeks to several months.

Repeat injections may be considered carefully and strategically to balance symptom relief with long-term joint health.

Benefits of Peripheral Joint Injections

• Minimally invasive

• Outpatient procedure

• Targeted anti-inflammatory effect

• Rapid symptom relief for many patients

• Can delay or reduce need for surgery

• Improves ability to participate in physical therapy

Risks and Considerations

Peripheral joint injections are generally safe but may include:

• Temporary increase in pain

• Infection (rare)

• Bleeding

• Temporary elevation in blood sugar (particularly in diabetic patients)

• Cartilage concerns with frequent repeated steroid use

Your physician will review your medical history, medications, and overall treatment plan before proceeding.

Who Is a Good Candidate?

Peripheral joint injections may be appropriate if you:

• Have persistent joint pain despite conservative treatment

• Have imaging consistent with arthritis or inflammation

• Need pain relief to progress in therapy

• Prefer to delay surgical intervention

Accurate diagnosis is critical, not all joint pain originates inside the joint itself. A careful clinical exam ensures the correct structure is being treated.

Frequently Asked Questions

Is this the same as a spine injection?
No. Peripheral joint injections treat joints outside the spine.

Will I be asleep?
These procedures are typically performed using local anesthetic. Sedation is rarely required.

How many injections can I receive?
Injection frequency depends on the joint, underlying condition, and overall treatment strategy. Long-term joint health is always considered.

Reference

American Academy of Orthopaedic Surgeons (AAOS). “Cortisone Shot (Steroid Injection).”
Available at: https://orthoinfo.aaos.org