Differentiating Rheumatoid Arthritis and Osteoarthritis

What's the Difference?

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While there are more than 100 different types of arthritis, rheumatoid arthritis and osteoarthritis capture most of the headlines, attention, and even research dollars. While about 1.5 million people in the U.S. have rheumatoid arthritis, nearly 10 times as many have osteoarthritis. It's important to learn how rheumatoid arthritis and osteoarthritis are similar and how they are different. Let's compare.

Recognizing Signs and Symptoms

How to Recognize the Signs and Symptoms of Rheumatoid Arthritis
Signs and symptoms of rheumatoid arthritis lead to an accurate diagnosis and treatment plan. If you are experiencing rheumatoid arthritis symptoms, don't ignore them -- see a doctor.

How to Recognize the Signs and Symptoms of Osteoarthritis
If you are experiencing osteoarthritis symptoms, see a doctor. Recognizing the signs and symptoms of osteoarthritis is the first step toward an accurate diagnosis and treatment plan.

Explained With Pictures

Rheumatoid Arthritis: Explained With Pictures
Rheumatoid arthritis is an inflammatory type of arthritis which affects the joints and may affect other parts of the body. Pictures help explain rheumatoid arthritis.

Osteoarthritis: Explained With Pictures
Osteoarthritis is most common among adults over 65 years old but people of any age can develop the disease. Learn more as osteoarthritis is explained with pictures.

Fast Facts

Rheumatoid Arthritis - The Basic Facts
Rheumatoid arthritis is an autoimmune disease, as well as an inflammatory type of arthritis. Joint pain, joint deformity, and disability can result from rheumatoid arthritis. Learn more fast facts.

Osteoarthritis - The Basic Facts
Osteoarthritis, also referred to as degenerative joint disease, DJD, or wear-and-tear arthritis, is caused by the breakdown of cartilage in one or more joints.

Cartilage acts as a cushion between the bones of joints. Learn more fast facts.

What You Should Know

10 Things You Should Know About Rheumatoid Arthritis
Did you know rheumatoid arthritis affects twice as many many women as men? That's just one of the important facts you should know about rheumatoid arthritis.

10 Things You Should Know About Osteoarthritis
Osteoarthritis is the most prevalent type of arthritis. There are about 10 basic facts you should know about osteoarthritis.

Test Your Knowledge of Rheumatoid Arthritis and Osteoarthritis

Rheumatoid Arthritis - Test Your Knowledge
Experts believe rheumatoid arthritis is triggered by a malfunction in the immune system. The cause of the malfunction is unknown. How much do you know about rheumatoid arthritis?

Osteoarthritis - Test Your Knowledge
Even though osteoarthritis is the most common type of arthritis, it's still misunderstood. How much do you know about osteoarthritis?

Rheumatoid Arthritis or Osteoarthritis - Which Is It?
With rheumatoid arthritis and osteoarthritis, there are specific symptoms and distinguishing characteristics which determine the diagnosis and course of treatment.

Do you know the difference - what distinguishes one from the other?

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