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What causes joint pain, knee pain and morning stiffness? 4 possible conditions

See a list of possible causes in order from the most common to the least.


What Is Osteoarthritis?

Osteoarthritis, or degenerative joint disease, causes inflammation of the joints in the body. Explore our doctor-reviewed health articles and learn more about osteoarthritis.

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Arthritis is inflammation of the joints (where bones meet) in one or more areas of the body. This condition is most commonly seen in adults, but it can also develop in children and teens.

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Rheumatoid Arthritis Overview

Rheumatoid arthritis (RA) is an autoimmune disease, a disease in which the immune system mistakes the body's own cells for invaders. In RA, the immune system attacks the synovia, the membranes lining the joints.

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Juvenile Rheumatoid Arthritis

Juvenile rheumatoid arthritis is a form of chronic arthritis that affects children. It is a long-term autoimmune condition characterized by stiffness and swelling in the joints. Most cases of JRA are mild.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.