Septic arthritis (joint infection)
About Septic arthritis (joint infection)
An infection of the joint, usually caused by bacteria. The bacteria can enter the joint by traveling through the blood, or by direct entrance into the joint from trauma. The infection can cause permanent destruction of the joint if left untreated or can spread to the bloodstream and can be life-threatening. Previous joint surgery, injection drug use, and a depressed immune system increase the risk of the disorder.Symptoms
Joint swelling, intense joint pain, fever, joint swelling, joint redness, unable to move the limb with the infected joint.Tests & Diagnostics
A history and physical exam will be performed. A needle will be inserted into the joint (arthrocentesis), and synovial fluid (joint fluid) will be removed for analysis. Identifying the bacteria in the joint fluid establishes the diagnosis.Common tests: Complete blood count (CBC), Comprehensive metabolic panel (CMP), CT Scan, MRI, Urinalysis (UA), X-ray.
Prescription medications
Conventional treatment summary
Antibiotics are needed to treat the infection. Further treatment includes frequent joint aspiration to remove the infected fluid and/or surgery to thoroughly clean the joint.Medical specialties
Orthopedic Surgery · Podiatry
This page is educational content, not medical advice. Always consult a qualified clinician for diagnosis and treatment of Septic arthritis (joint infection).