Septic arthritis is joint inflammation that is caused by an infection of the joint by a bacteria or virus. It can also cause stiffness or inability to move the joint, and also known as infectious arthritis. It has many of the same symptoms as wear and tear arthritis including redness, pain, and heat in the joint. Other symptoms accompanying it including those of a generalized infection such as fever, weakness, or a headache. The infection may involve one or several joints.
An infection that enters the joint causes septic arthritis. Other causes include bacteria, virus, fungus, or even a parasite, and can be associated with trauma to the area or blood-borne infection. It usually comes on rapidly and may include flu-like symptoms.
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