Why Is My Elbow Swollen? (Olecranon Bursitis Explained)

Author: Niya Doiphode

Date: 23-04-2025

Last Reviewed: 03-08-2026

Swelling at the tip of the elbow is often caused by olecranon bursitis, where the fluid-filled sac that cushions the elbow becomes inflamed, usually from direct injury, repetitive pressure, or an underlying inflammatory condition. Most non-infected cases respond well to conservative treatment, including rest, ice, and physiotherapy, without needing invasive procedures. However, if the swelling comes with redness, warmth, or fever, this can signal infection (septic bursitis), which needs prompt medical attention rather than physiotherapy alone.

Dealing With Elbow Swelling? Here's What You Need to Know

A swollen, tender elbow can be uncomfortable and limiting, especially when it affects your ability to move freely. One common cause of this is olecranon bursitis, a condition that leads to visible swelling at the tip of the elbow.

The good news? With the right treatment, most cases can be managed effectively, often without invasive procedures.

What Is Olecranon Bursitis?

Olecranon bursitis occurs when the bursa at the tip of the elbow becomes inflamed.

A bursa is a small, fluid-filled sac that reduces friction between tissues and cushions joints during movement. When irritated, the bursa fills with excess fluid, leading to:

  • Visible swelling (often like a soft lump)
  • Pain or tenderness
  • Reduced elbow movement

What Causes Elbow Bursitis?

There are several common causes of olecranon bursitis:

1. Direct Injury

A fall or blow to the elbow can irritate the bursa and trigger inflammation.

2. Repetitive Pressure

Leaning on hard surfaces or repeated elbow movements can gradually irritate the area.

3. Infection (Septic Bursitis)

If bacteria enter through a cut or abrasion, the bursa can become infected, and this requires medical attention.

4. Underlying Health Conditions

Conditions such as rheumatoid arthritis, gout, and lupus can increase the risk of inflammation.

5. Overuse and Ageing

Repetitive strain and natural wear over time can make the elbow more susceptible.

Who Is Most at Risk of Olecranon Bursitis?

  • Olecranon bursitis is more likely to affect:
  • Manual workers (e.g. construction, plumbing)
  • Athletes (throwing sports, weightlifting, contact sports)
  • Individuals with inflammatory conditions
  • Older adults

What Are the Symptoms of Olecranon Bursitis?

Common symptoms include:

  • Swelling at the back of the elbow (often the first sign)
  • Pain or tenderness, especially when touched
  • Limited range of motion
  • Bruising (in trauma-related cases)
  • Redness and warmth (possible sign of infection)

If swelling increases or becomes painful, early treatment is recommended.

How Does Physiotherapy Help Elbow Bursitis?

Physiotherapy is highly effective in managing olecranon bursitis, particularly for non-infective cases. Treatment focuses on:

  • Reducing inflammation
  • Restoring movement
  • Improving strength
  • Preventing recurrence

What Are the Treatment Options for Olecranon Bursitis?

Managing Pain and Inflammation

In the early stages:

  • Rest the elbow and avoid pressure
  • Apply ice for 15-20 minutes every few hours
  • Modify activities that aggravate symptoms

Hands-On Physiotherapy

Manual therapy techniques help improve joint mobility, reduce stiffness, and promote circulation and healing. Additional treatments may include:

  • Ultrasound therapy to reduce inflammation
  • Kinesiology taping or elbow support for protection

Restoring Movement

Once pain settles, gentle exercises are introduced to maintain range of motion, prevent stiffness, and improve joint function.

Strengthening the Elbow

Targeted exercises for the forearm and upper arm help:

  • Support the elbow joint
  • Reduce strain on the bursa
  • Improve long-term function

Posture and Activity Advice

Simple changes can make a big difference:

  • Avoid leaning on elbows for long periods
  • Improve workstation ergonomics
  • Adjust movement patterns during work or sport

When Should You Seek Further Medical Care?

You should seek medical attention if you notice:

  • Increasing redness or warmth
  • Severe pain
  • Fever or signs of infection
  • Persistent swelling despite treatment

In some cases, additional treatments may be required, such as:

  • Fluid drainage (aspiration)
  • Corticosteroid injections
  • Rarely, surgical intervention

What Is the Recovery and Outlook for Olecranon Bursitis?

Most cases of olecranon bursitis improve with conservative treatment. With the right physiotherapy approach, you can expect:

  • Reduced swelling and pain
  • Improved elbow movement
  • Lower risk of recurrence

Don't Ignore Elbow Swelling

While olecranon bursitis is usually manageable, ignoring symptoms can lead to prolonged discomfort or complications.

Early treatment, combined with the right physiotherapy plan, can help you recover faster and return to normal activities without ongoing issues.

At Relive Physiotherapy in Chester, we provide personalised treatment plans for elbow pain and swelling, helping you move comfortably again.

Book your appointment today and start your recovery.

Frequently Asked Questions

Is a swollen elbow always olecranon bursitis?

Not always, but it's one of the most common causes of visible swelling at the tip of the elbow. It can result from direct injury, repetitive pressure, infection, or an underlying inflammatory condition, so a proper assessment helps confirm the cause.

How do I know if my swollen elbow is infected?

Signs of infection (septic bursitis) include increasing redness, warmth, fever, and severe pain. This is different from typical bursitis and needs prompt medical attention rather than physiotherapy alone.

Can olecranon bursitis be treated without surgery?

Yes, in most cases. Rest, ice, activity changes, and physiotherapy are usually effective. Surgery is rare and generally only considered when other treatments haven't resolved the issue.

What does physiotherapy for elbow bursitis involve?

Treatment typically includes pain and inflammation management, manual therapy, gentle mobility exercises, targeted strengthening, and advice on posture and activity to prevent recurrence.

How long does it take to recover from olecranon bursitis?

Most non-infected cases improve well with conservative treatment, though recovery time varies depending on the cause and how early treatment begins.

About the Author:

Niya Doiphode

Specialist Physiotherapist

Niya holds a Master's degree in Musculoskeletal Sports Science, and Health, Sport and Exercise from Loughborough University.

As a Specialist Physiotherapist at Relive Physiotherapy, she has a strong interest in running biomechanics and has authored a paper examining the impact of "super shoes" on running performance. She also has a particular passion for pelvic health, bringing a well-rounded, evidence-based approach to her practice.

At the clinic, Niya genuinely enjoys getting to know the people she treats. Outside of work, she loves exploring different cuisines, especially Asian food, along with art and rock climbing.