Bursitis

What Is Bursitis? Bursitis is inflammation or irritation of a bursa sac. You have these sacs all over your body. They’re filled with fluid that helps ease rubbing and friction between tissues like bone, muscle, tendons, and skin. Bursitis is common around major joints like your shoulder, elbow, hip, or knee. Bursitis Causes and Risk Factors …

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Psoriatic Arthritis

What Is Psoriatic Arthritis? Psoriatic arthritis (PsA) is a form of inflammatory arthritis. It affects about 1 million people in the United States, or 30% of people who have psoriasis. Psoriasis is a skin disease that causes a red, scaly rash, most often on your elbows, knees, ankles, feet, and hands. Psoriatic arthritis is an autoimmune condition. It happens when your …

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The Basics of Osteoarthritis

Arthritis is a general term that means inflammation of the joints. Osteoarthritis, commonly known as wear and tear arthritis, is the most common type of arthritis. It is associated with a breakdown of cartilage in joints and can occur in almost any joint in the body. It commonly occurs in the weight-bearing joints of the …

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What Is Rheumatoid Arthritis?

Rheumatoid arthritis is what doctors call an autoimmune condition. It starts when your immune system, which is supposed to protect you, goes awry and begins to attack your body’s own tissues. It causes inflammation in the lining of your joints (the synovium). As a result, your joints may get red, warm, swollen, and painful. RA …

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5 Common Types of Arthritis

Did you know that there are more than 100 types of arthritis? Learn about some of the most common forms, including what they are, what happens, and their symptoms. Osteoarthritis What is it? More people have this condition than any other form of arthritis. It’s the “wear and tear” that happens when your joints are …

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