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Updated: Aug 17, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
Published on: February 10, 2011
Bacteriology of pyoderma including anaerobes
Abstract:
Of 100 pus samples cultured from pyodermal lesions, 99 yielded positive cultures. Staphylococcus aureus alone (45%) or with beta-haemolytic streptococci (BHS, 32%) was the commonest isolate. Antimicrobial sensitivity of 71 Staph. aureus strains tested showed high degree of resistance to erythromycin (38.3%). BHS was the second common pathogen encountered. T-agglutination patterns studied in BHS group A could type 85.7 per cent of the isolates. Non-group A BHS isolated were of group G (3) and group D (1). Five pus specimens yielded obligate anaerobes mixed with aerobes. Bacteroides melaninogenicus/asacchrolyticus was isolated in 4 of 5 samples.
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