The clinical presentation and signs and symptoms play an important role in the diagnosis. Imaging techniques help identify the exact location of the infection; while bacterial culture is done to recognize the offending organism.

Serratia Marcescens Treatment


Anti-biotic therapy is the principal treatment plan in most patients diagnosed with Serratia marcescens infection.

Home therapy is an alternative for those who are clinically stable; others need to be hospitalized.

Abscesses usually need incision and drainage.

S. marcescens is resistant to macrolides, ampicillin and 1st generation cephalosporins. The infection ought to be treated with an aminoglycoside along with anti-pseudomonal beta-lactam. Quinolones are extremely active against most S. strains.

Definitive therapy is based on the end result of the vulnerability tests, given than, multi-resistant strains are fairly common.

Serratia Marcescens Prognosis


The prognosis for S. marcescens is rather moderately poor. A population based study of Serratia marcescens bacteremia, showed that the 7th day and 6th month mortality rates were 5 % and 37 %, respectively. Urinary tract infections and respiratory infections show good outcomes, however, Serratia meningitis and Serratia endocarditis display a high mortality rate. Abdominal infections and Serratia arthritis show moderate prognosis.



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