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    Area of Science:

    • Dermatology
    • Microbiology
    • Infectious Diseases

    Background:

    • Pyoderma is a common skin infection with diverse bacterial etiologies.
    • Understanding the prevalent microorganisms and their antibiotic resistance patterns is crucial for effective treatment.

    Purpose of the Study:

    • To investigate the bacterial causes of pyoderma.
    • To determine the predominant bacterial species and their antibiotic susceptibility.
    • To analyze the phage typing of Staphylococcus aureus strains.

    Main Methods:

    • Bacterial isolation and identification from 220 pyoderma cases.
    • Antimicrobial susceptibility testing.
    • Phage typing of Staphylococcus aureus isolates.

    Main Results:

    • Coagulase-positive Staphylococcus aureus was the most frequent isolate (48.6%), followed by beta-hemolytic streptococcus (8.2%).
    • Maximum antibiotic resistance was observed against ampicillin, penicillin, and polymyxin.
    • No resistance was found to cephaloridine, neomycin, and kanamycin. Multiple antibiotic-resistant strains of S. aureus were predominantly found in phage groups III and I.

    Conclusions:

    • Staphylococcus aureus is a primary pathogen in pyoderma.
    • Knowledge of local antibiotic resistance patterns is essential for guiding empirical therapy.
    • Phage typing provides insights into the epidemiology of S. aureus infections.