Serratia Marcescens causes several nosocomial infections, particularly, catheter-induced sepsis or bacteremia, urinary tract infection, respiratory infections and wound infections.

Serratia Marcescens Symptoms


S. marcescens causes bacteremia or sepsis which presents as fever, chills, respiratory distress and shock.

Urinary tract infection is another important manifestation. However, about 30 -50 % of patients with S. marcescens UTI are asymptomatic. Clinical features for UTI are: frequent urination, burning while urinating, painful urination, pus in urine, blood in urine and fever.

Respiratory tract infection is another presenting feature. Patients with Serratia marcescens respiratory tract infection are those people who have COPD or chronic obstructive pulmonary disease. Pneumonia could develop, but is relatively rare. People demonstrate fever, productive cough, chills, breathing difficulty and chest pain.

Meningitis or cerebral abscesses may develop in children born prematurely and neonates with previous sepsis. Trauma to the head, neurosurgery epidural injections, and lumbar puncture are significant risk factors for meningitis or cerebral abscesses. Commonly seen symptoms include: fever, vomiting, seizures, and coma.

Intra-abdominal infections due to Serratia results in liver abscesses, biliary drainage, pancreatic abscesses and peritoneal exudates.

Osteomyelitis and arthritis are also seen after surgery, open trauma, or intra-articular injections.

Endocarditis may become apparent as with petechiae, fever and, occasionally, embolic problems.

Ocular infection due to S. marcescens is demonstrated as endopthamitis or keratitis.



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