A patient received a bite wound from an animal and developed cellulitis as a result. The nurse explains to the patient that this infection is most likely caused by:


Cellutitis is most commonly caused by Streptococcus pyogenes.

• Strep pyogenes can cause strep throat, rheumatic fever, cellulitic, necrotizing fascitis, and glomerulonephritis.

• Staph aureus can also cause atopic dermatitis, necrotizing fascitis, impetigo, folliculitis, meningitis, osteomyelitis, and sepsis.

• Strep pneumoniae is the leading cause of pneumonia and can also cause otitis media, sinusitis, and meningitis.

• Pseudomonas aeruginosa causes UTIs, atypical pneumonia, and infections in burns.

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