Treatment of Necrotizing Fasciitis with Documented Aeromonas hydrophila

Clinical Scenario

Necrotizing fasciitis requires urgent intervention. When the causative organism has been confirmed as Aeromonas hydrophila, the antibiotic strategy must be directed at the identified pathogen — the confirmed microbial etiology directly determines the appropriate treatment selection.

Microbiological Context

Necrotizing fasciitis may be monomicrobial or polymicrobial. Aeromonas hydrophila is a recognised cause of the monomicrobial form. Once the microbial etiology has been determined, antibiotic coverage should be appropriately modified to reflect the confirmed pathogen.

Treatment Approach

Management centres on prompt surgical debridement in combination with antibiotic therapy targeted to the confirmed organism. The complete regimen — including agent selection and the specific combination used — is detailed in the full protocol.

Treatment Goals

Clinical improvement
Absence of fever for 48–72 hours

Instant Access to Structured Evidence-Based Regimens

References

DOI: 10.1093/cid/ciu296

They can be monomicrobial, usually from streptococci or less commonly community-acquired MRSA, Aeromonas hydrophila, or Vibrio vulnificus, or polymicrobial, involving a mixed aerobe-anaerobe bacterial flora.
Once the microbial etiology has been determined, the antibiotic coverage should be appropriately modified.
In the absence of definitive clinical trials, antimicrobial therapy should be administered until further debridement is no longer necessary, the patient has improved clinically, and fever has been absent for 48-72 hours.

View source ↗