Joint pain, Knee pain, Morning stiffness: 4 Possible Causes
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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 (OA) occurs when this cartilage (which provides a cushion for bones) wears away. It can occur in any joint in the body, but most commonly affects the knees, hips, spine, and hands.

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There are more than 100 different types of arthritis. Learn the basics and how your doctor might treat it.

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Rheumatoid Arthritis Overview

Rheumatoid arthritis is an autoimmune disease. It causes joint problems. In autoimmune diseases, the immune system mistakes the body's own cells for invaders.

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Juvenile Rheumatoid Arthritis

Juvenile rheumatoid arthritis is the most common type of arthritis in children. Learn about juvenile rheumatoid arthritis symptoms, diagnosis, and treatment.

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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.