Joint pain, Knee pain, Pain: 15 Possible Causes
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What causes joint pain, knee pain and pain? 15 possible conditions

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


Sprains & Strains

Sprains and strains are injuries to the body, often resulting from physical activity. These injuries are common and can range from minor to severe, depending on the incident. Most don't require medical attention.

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This condition is considered a medical emergency. Urgent care may be required.

A fracture is a broken bone. Learn about the risk factors, symptoms, and treatments for different types of fracture.

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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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What is Fibromyalgia?

Fibromyalgia is a chronic disorder characterized by widespread, unexplained pain in tender points in muscles and joints, including the head, neck, and sides of hips.

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This condition is considered a medical emergency. Urgent care may be required.

Since a dislocation means your bone is no longer where it should be, you should treat it as an emergency and seek medical attention as soon as possible.

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Ankylosing Spondylitis

Ankylosing spondylitis is a form of arthritis that primarily affects your spine. It causes severe inflammation of the vertebrae that might eventually lead to chronic pain and disability.

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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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Bursae are fluid-filled sacs found about your joints. They surround the areas where tendons, skin, and muscle tissues meet bones. The lubrication they add helps reduce friction during movement.

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Tendons are thick cords that join your muscles to your bones. When these tendons become irritated or inflamed, it is called tendinitis. This condition causes acute pain and tenderness, making it difficult to move th...

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Gout Overview

Gout is a type of arthritis caused by too much uric acid in the blood. When the concentration of uric acid gets too high, sharp urate crystals form and collect in the joints, causing swelling and intense pain.

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Tendon Sheath Inflammation (Tenosynovitis)

Tendons are covered by a protective sheath called synovium, which keeps tendons lubricated. Injury to this area can disrupt this function, causing inflammation.

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Rheumatic Fever

Rheumatic fever is a complication of strep throat. If it's left untreated, it can cause permanent damage to your heart. Find out about symptoms and treatment.

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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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Kawasaki Disease

Early treatment is key to treating Kawasaki disease, especially in children. Learn how to recognize the symptoms of Kawasaki disease and when to see a doctor.

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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.