Infections in the tissues of the knee joint and systemic infections may lead to severe knee pain. Learn how infections like septic arthritis, reactive arthritis, and bursitis cause knee pain.
General
Please see the index below for a list of all our articles on Arthritis.
If you are new to the subject, we recommend starting with: Types of Arthritis
How to Care for a Swollen Knee
A swollen knee, sometimes called “water on the knee,” is cause for concern. Learn when medical care is necessary, how to treat a knee swelling at home, and how doctors can remove fluid from a knee using processes called joint arthrocentesis and bursal aspiration.
Inflammatory Arthritis
Inflammatory arthritis is a group of conditions characterized by damage to the synovial lining of the joint. Rheumatoid arthritis is one of the most common forms of inflammatory arthritis.
Knee Pain and Arthritis
Knee joint pain and discomfort from arthritis can be experienced in different ways: a dull ache, a sharp, stabbing pain, stiffness, warmth, and swelling.
Other Causes of Joint Pain
Soft tissues, such as muscles, tendons, and ligaments can cause pain during joint movement. These are not arthritis, but can lead to osteoarthritis in the joint.
Eating a healthy diet and exercising can help to improve the gut microbiome and reduce the risk of developing arthritis—especially in children.