How does septic arthritis typically present?

Septic arthritis typically presents with an acute onset of symptoms, which is characterized by sudden pain, swelling, and significant limitation of movement in the affected joint. This presentation is due to the inflammatory response provoked by an infection within the joint space, leading to rapid accumulation of pus and inflammatory fluid. The intense pain is generally accompanied by tenderness to palpation, and the joint may appear warm and swollen.

In addition to these local symptoms, systemic signs such as fever or chills may also be present, although they can vary depending on the individual and the underlying cause of the infection. The acute nature of the symptoms helps to differentiate septic arthritis from other types of joint issues, such as inflammatory or degenerative arthritis, which tend to develop more gradually over time. Recognizing the classic presentation of septic arthritis is crucial for timely diagnosis and intervention, as it often requires urgent medical treatment to prevent joint damage and systemic complications.