Septic arthritis of the knee involves a sudden, severe infection in one or both knee joints. Without treatment, it can impair mobility, lead to permanent damage, or even be fatal. Septic arthritis is ...

If you still feel pain on the inside of your knee after aligning your cleats, especially if it is a burning pain at rest or sharp pain when you start to walk or step up or down, you may have a type of ...

Your knee contains articular cartilage, which lines your bones and allows you to move without pain or friction. Knee cartilage damage occurs when your articular cartilage chips or wears away. In ...

Approximately 700,000 to 800,000 knee replacements are performed in the United States each year. Experts say one type of pain is a major red flag that your knee arthritis has become severe. Most ...

Osteochondritis dissecans of the knee may not cause any symptoms, but some people may experience pain and swelling. Engaging in competitive sports may contribute to its development. Doctors may ...

Nov. 19, 2025 — If knee arthritis were a growth stock, you’d want to own a few shares. Fifty percent of adults in the U.S. will develop knee osteoarthritis, which happens when the cartilage in the ...

Knee popping is often harmless, but pain, swelling, or weakness could signal a medical issue requiring attention.

Bone cancer is more common in children and teens, but adults over 60 can also get it. People often mistake symptoms for growth spurts or arthritis. A doctor can do imaging tests and a bone biopsy to ...

The maker of Zepbound reported results from a study of retatrutide, which targets three hormones in the body and led to much more weight loss than any approved drug.