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Bursitis

Contents of this page:

Illustrations

Bursa of the elbow
Bursa of the elbow
Bursa of the knee
Bursa of the knee
Bursitis of the shoulder
Bursitis of the shoulder

Definition    Return to top

Bursitis is inflammation of the fluid-filled sac (bursa) that lies between a tendon and skin, or between a tendon and bone. The condition may be acute or chronic.

Causes    Return to top

Bursae are fluid-filled cavities near joints where tendons or muscles pass over bony projections. They assist movement and reduce friction between moving parts.

Bursitis can be caused by chronic overuse, trauma, rheumatoid arthritis, gout, or infection. Sometimes the cause cannot be determined. Bursitis commonly occurs in the shoulder, knee, elbow, and hip. Other areas that may be affected include the Achilles tendon and the foot.

Chronic inflammation can occur with repeated injuries or attacks of bursitis.

Symptoms    Return to top

Treatment    Return to top

Your health care provider may recommend temporary rest or immobilization of the affected joint.

Nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen may relieve pain and inflammation. Formal physical therapy may be helpful as well.

If the inflammation does not respond to the initial treatment, it may be necessary to draw out fluid from the bursa and inject corticosteroids. Surgery is rarely required.

Exercises for the affected area should be started as the pain resolves. If muscle atrophy (weakness or decrease in size) has occurred. Your health care provider may suggest exercises to build strength and increase mobility.

Bursitis caused by infection is treated with antibiotics. Sometimes the infected bursa must be drained surgically.

Outlook (Prognosis)    Return to top

The condition may respond well to treatment, or it may develop into a chronic condition if the underlying cause cannot be corrected.

Possible Complications    Return to top

When to Contact a Medical Professional    Return to top

Call your health care provider if symptoms recur or do not improve after 2 weeks of treatment.

Prevention    Return to top

Avoid activities that include repetitive movements of any body parts whenever possible.

References    Return to top

Biundo JJ. Bursitis, tendinitis, and other periarticular disorders, and sports medicine. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 284.

Update Date: 8/11/2008

Updated by: Linda Vorvick, MD, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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