Septic arthritis is a rare condition involving an infection in the fluid inside joints and surrounding tissues. It leads to pain, tenderness, and swelling and may cause joint damage. Prompt medical ...

The joints that septic arthritis affects may be swollen, inflamed, and feel warm to the touch. A person can also experience nonvisual symptoms, including fatigue, a fast heart rate, and a lack of ...

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 ...

Septic arthritis is an infection that affects one or more joints. Bacteria most often cause it, although fungi and viruses may cause it in rare situations. Certain factors can increase your risk.