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.

Septic arthritic is considered a medical emergency because it can cause serious joint damage and can be fatal if not treated early. Septic arthritis is inflammation to your joint fluid and joint ...

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 ...