University:
Western Sydney University
Course:
MEDI 2003 | Clinical Sciences 2
Academic year:

2024
Views:

241

Pages:

1
Author:

Mariam A. A.

Impetigo Eczema, wet hand climates, school, day care, malnutrition Microbiology: Staphylococcus aureus (most common), Beta-hemolytic streptococcus Skin-to-skin contact Non-bullous impetigo: Papules, vesicles, and pustules, rapidly break down, form golden adherent crusts, often located on face or extremities, highly infectious, becomes covered with thin brown crust Bullous impetigo: Flaccid, fluid-filled bullae, rupture, leaves a thin brown crust, often located on trunk Incubation, lesion formation, spread over body through scratching Bullous impetigo symptoms: Bullous, not painful, fever, groves Ecthyma: "Punched-out ulcers" with overlying crust, pus-filled borders, may have painful itchy blisters Complications: Cellulitis, poststreptococcal glomerulonephritis Treatment: Limited: Topical mupirocin or retapamulin; Extensive: Systemic antibiotics (cephalexin, dicloxacillin), MRSA suspected: Trimethoprim-sulfamethoxazole, Topical mupirocin or retapamulin Diagnosis: Lesion culture, identify pathogens, adjust treatment, physical exam, clean with antiseptic to prevent spreading, topical antibiotics, penicillin, MRSA use dimethoprim/sulfamethoxazole