Hello, I'm a healthcare professional with a background in orthopedics. I can provide you with information on what causes stiff joints.

Stiffness in the joints can be caused by a variety of factors, including but not limited to:


1. Aging: As we age, the cartilage in our joints can wear down, leading to reduced flexibility and increased stiffness.

2. Arthritis: This is a common cause of joint stiffness, particularly osteoarthritis, which is characterized by the degeneration of joint cartilage.

3. Injury: An injury to a joint, such as a sprain or fracture, can result in stiffness if the joint has not healed properly or if scar tissue has formed.

4. Infection: In some cases, an infection in the joint can cause inflammation and stiffness.

5. Lack of Use: Joints that are not used regularly can become stiff due to a decrease in the production of synovial fluid, which lubricates the joints.

6. Gout: This is a condition that can cause painful inflammation in the joints, often due to a buildup of uric acid.
7.
Systemic Lupus Erythematosus (SLE): This autoimmune disease can cause joint pain and stiffness.
8.
Fibromyalgia: A chronic condition characterized by widespread pain and stiffness in the muscles and joints.

It's important to consult with a healthcare provider for an accurate diagnosis and appropriate treatment if you're experiencing joint stiffness.

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Depending on the cause of joint stiffness, joint redness, tenderness, warmth, tingling, or numbness of an affected area of the body may be present. Joint stiffness can be caused by injury or disease of the joint and is a common finding in the arthritis conditions.read more >>